315717023 has 2 divisors, whose sum is σ = 315717024. Its totient is φ = 315717022.

The previous prime is 315716993. The next prime is 315717107. The reversal of 315717023 is 320717513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315717023 - 2⁶ = 315716959 is a prime.

It is a super-2 number, since 2×315717023² = 199354477223965058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315719023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157858511 + 157858512.

It is an arithmetic number, because the mean of its divisors is an integer number (157858512).

Almost surely, 2^315717023 is an apocalyptic number.

315717023 is a deficient number, since it is larger than the sum of its proper divisors (1).

315717023 is an equidigital number, since it uses as much as digits as its factorization.

315717023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 315717023 is about 17768.4277019662. The cubic root of 315717023 is about 680.9250839220.

The spelling of 315717023 in words is "three hundred fifteen million, seven hundred seventeen thousand, twenty-three".