315165745231123 has 4 divisors (see below), whose sum is σ = 315342111066840. Its totient is φ = 314989379395408.

The previous prime is 315165745231097. The next prime is 315165745231147. The reversal of 315165745231123 is 321132547561513.

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 315165745231123 - 2²⁵ = 315165711676691 is a prime.

It is a super-3 number, since 3×315165745231123³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315165745231163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88182915178 + ... + 88182918751.

It is an arithmetic number, because the mean of its divisors is an integer number (78835527766710).

Almost surely, 2^{315165745231123} is an apocalyptic number.

315165745231123 is a deficient number, since it is larger than the sum of its proper divisors (176365835717).

315165745231123 is a wasteful number, since it uses less digits than its factorization.

315165745231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176365835716.

The product of its digits is 2268000, while the sum is 49.

The spelling of 315165745231123 in words is "three hundred fifteen trillion, one hundred sixty-five billion, seven hundred forty-five million, two hundred thirty-one thousand, one hundred twenty-three".