Is 123823 a prime number?

123 823 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 123 823 is about 351.885.

Thus, the square root of 123 823 is not an integer, and therefore 123 823 is not a square number.

The square of a number (here 123 823) is the result of the product of this number (123 823) by itself (i.e., 123 823 × 123 823); the square of 123 823 is sometimes called "raising 123 823 to the power 2", or "123 823 squared".

The square of 123 823 is 15 332 135 329 because 123 823 × 123 823 = 123 823² = 15 332 135 329.

As a consequence, 123 823 is the square root of 15 332 135 329.

123 823 is a number with 6 digits.

The multiples of 123 823 are all integers evenly divisible by 123 823, that is all numbers such that the remainder of the division by 123 823 is zero. There are infinitely many multiples of 123 823. The smallest multiples of 123 823 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 123 823 too, since 0 × 123 823 = 0
• 123 823: indeed, 123 823 is a multiple of itself, since 123 823 is evenly divisible by 123 823 (we have 123 823 / 123 823 = 1, so the remainder of this division is indeed zero)
• 247 646: indeed, 247 646 = 123 823 × 2
• 371 469: indeed, 371 469 = 123 823 × 3
• 495 292: indeed, 495 292 = 123 823 × 4
• 619 115: indeed, 619 115 = 123 823 × 5
• etc.

• Preceding numbers: …123 821, 123 822
• Following numbers: 123 824, 123 825…

Nearest numbers from 123 823

• Preceding prime number: 123 821
• Following prime number: 123 829

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• 123 823 est-il un nombre premier ?