317443923 has 12 divisors (see below), whose sum is σ = 465374728. Its totient is φ = 208470240.

The previous prime is 317443921. The next prime is 317443927. The reversal of 317443923 is 329344713.

It is not a de Polignac number, because 317443923 - 2¹ = 317443921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317443921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262618 + ... + 263823.

Almost surely, 2^317443923 is an apocalyptic number.

317443923 is a deficient number, since it is larger than the sum of its proper divisors (147930805).

317443923 is a wasteful number, since it uses less digits than its factorization.

317443923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526514 (or 526511 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 317443923 is about 17816.9560531534. The cubic root of 317443923 is about 682.1643287564.

The spelling of 317443923 in words is "three hundred seventeen million, four hundred forty-three thousand, nine hundred twenty-three".