317316523 has 4 divisors (see below), whose sum is σ = 319632840. Its totient is φ = 315000208.

The previous prime is 317316499. The next prime is 317316539. The reversal of 317316523 is 325613713.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 317316523 - 2²⁵ = 283762091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317316563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157953 + ... + 1158226.

It is an arithmetic number, because the mean of its divisors is an integer number (79908210).

Almost surely, 2^317316523 is an apocalyptic number.

317316523 is a deficient number, since it is larger than the sum of its proper divisors (2316317).

317316523 is a wasteful number, since it uses less digits than its factorization.

317316523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316316.

The product of its digits is 11340, while the sum is 31.

The square root of 317316523 is about 17813.3804484157. The cubic root of 317316523 is about 682.0730587105.

The spelling of 317316523 in words is "three hundred seventeen million, three hundred sixteen thousand, five hundred twenty-three".