317399023 has 2 divisors, whose sum is σ = 317399024. Its totient is φ = 317399022.

The previous prime is 317399021. The next prime is 317399053. The reversal of 317399023 is 320993713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317399023 - 2¹ = 317399021 is a prime.

Together with 317399021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317399021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158699511 + 158699512.

It is an arithmetic number, because the mean of its divisors is an integer number (158699512).

Almost surely, 2^317399023 is an apocalyptic number.

317399023 is a deficient number, since it is larger than the sum of its proper divisors (1).

317399023 is an equidigital number, since it uses as much as digits as its factorization.

317399023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 317399023 is about 17815.6959729335. The cubic root of 317399023 is about 682.1321649417.

The spelling of 317399023 in words is "three hundred seventeen million, three hundred ninety-nine thousand, twenty-three".