It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 071 023 is not a prime number.
For example, 397 071 023 can be divided by 17: 397 071 023 / 17 = 23 357 119.
For 397 071 023 to be a prime number, it would have been required that 397 071 023 has only two divisors, i.e., itself and 1.
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397 071 023 is an odd number, because it is not evenly divisible by 2.
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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 397 071 023 is about 19 926.641.
Thus, the square root of 397 071 023 is not an integer, and therefore 397 071 023 is not a square number.
The square of a number (here 397 071 023) is the result of the product of this number (397 071 023) by itself (i.e., 397 071 023 × 397 071 023); the square of 397 071 023 is sometimes called "raising 397 071 023 to the power 2", or "397 071 023 squared".
The square of 397 071 023 is 157 665 397 306 266 528 because 397 071 023 × 397 071 023 = 397 071 0232 = 157 665 397 306 266 528.
As a consequence, 397 071 023 is the square root of 157 665 397 306 266 528.
397 071 023 is a number with 9 digits.
The multiples of 397 071 023 are all integers evenly divisible by 397 071 023, that is all numbers such that the remainder of the division by 397 071 023 is zero. There are infinitely many multiples of 397 071 023. The smallest multiples of 397 071 023 are: