Is 23431 a prime number?

23 431 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 23 431 is about 153.072.

Thus, the square root of 23 431 is not an integer, and therefore 23 431 is not a square number.

Anyway, 23 431 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 23 431) is the result of the product of this number (23 431) by itself (i.e., 23 431 × 23 431); the square of 23 431 is sometimes called "raising 23 431 to the power 2", or "23 431 squared".

The square of 23 431 is 549 011 761 because 23 431 × 23 431 = 23 431² = 549 011 761.

As a consequence, 23 431 is the square root of 549 011 761.

23 431 is a number with 5 digits.

The multiples of 23 431 are all integers evenly divisible by 23 431, that is all numbers such that the remainder of the division by 23 431 is zero. There are infinitely many multiples of 23 431. The smallest multiples of 23 431 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 23 431 too, since 0 × 23 431 = 0
• 23 431: indeed, 23 431 is a multiple of itself, since 23 431 is evenly divisible by 23 431 (we have 23 431 / 23 431 = 1, so the remainder of this division is indeed zero)
• 46 862: indeed, 46 862 = 23 431 × 2
• 70 293: indeed, 70 293 = 23 431 × 3
• 93 724: indeed, 93 724 = 23 431 × 4
• 117 155: indeed, 117 155 = 23 431 × 5
• etc.

• Preceding numbers: …23 429, 23 430
• Following numbers: 23 432, 23 433…

Nearest numbers from 23 431

• Preceding prime number: 23 417
• Following prime number: 23 447

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• 23 431 est-il un nombre premier ?