Is 43123 a prime number?

43 123 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 43 123 is about 207.661.

Thus, the square root of 43 123 is not an integer, and therefore 43 123 is not a square number.

The square of a number (here 43 123) is the result of the product of this number (43 123) by itself (i.e., 43 123 × 43 123); the square of 43 123 is sometimes called "raising 43 123 to the power 2", or "43 123 squared".

The square of 43 123 is 1 859 593 129 because 43 123 × 43 123 = 43 123² = 1 859 593 129.

As a consequence, 43 123 is the square root of 1 859 593 129.

43 123 is a number with 5 digits.

The multiples of 43 123 are all integers evenly divisible by 43 123, that is all numbers such that the remainder of the division by 43 123 is zero. There are infinitely many multiples of 43 123. The smallest multiples of 43 123 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 43 123 too, since 0 × 43 123 = 0
• 43 123: indeed, 43 123 is a multiple of itself, since 43 123 is evenly divisible by 43 123 (we have 43 123 / 43 123 = 1, so the remainder of this division is indeed zero)
• 86 246: indeed, 86 246 = 43 123 × 2
• 129 369: indeed, 129 369 = 43 123 × 3
• 172 492: indeed, 172 492 = 43 123 × 4
• 215 615: indeed, 215 615 = 43 123 × 5
• etc.

• Preceding numbers: …43 121, 43 122
• Following numbers: 43 124, 43 125…

Nearest numbers from 43 123

• Preceding prime number: 43 117
• Following prime number: 43 133

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• 43 123 est-il un nombre premier ?