523123315 has 32 divisors (see below), whose sum is σ = 762955200. Its totient is φ = 339064320.

The previous prime is 523123297. The next prime is 523123379. The reversal of 523123315 is 513321325.

It is not a de Polignac number, because 523123315 - 2⁵ = 523123283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523123315.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8121 + ... + 33349.

It is an arithmetic number, because the mean of its divisors is an integer number (23842350).

Almost surely, 2^523123315 is an apocalyptic number.

523123315 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

523123315 is a deficient number, since it is larger than the sum of its proper divisors (239831885).

523123315 is a wasteful number, since it uses less digits than its factorization.

523123315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25287.

The product of its digits is 2700, while the sum is 25.

The square root of 523123315 is about 22871.8891873846. The cubic root of 523123315 is about 805.7519381235.

The spelling of 523123315 in words is "five hundred twenty-three million, one hundred twenty-three thousand, three hundred fifteen".