23115536555013 has 32 divisors (see below), whose sum is σ = 39198473406720. Its totient is φ = 13188271288320.

The previous prime is 23115536555009. The next prime is 23115536555039. The reversal of 23115536555013 is 31055563551132.

23115536555013 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 5 + 536 + 55 + 50 + 13 = 666.

It is not a de Polignac number, because 23115536555013 - 2² = 23115536555009 is a prime.

It is a super-2 number, since 2×23115536555013² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23115536555013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115536555113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95280120 + ... + 95522417.

It is an arithmetic number, because the mean of its divisors is an integer number (1224952293960).

Almost surely, 2^{23115536555013} is an apocalyptic number.

It is an amenable number.

23115536555013 is a deficient number, since it is larger than the sum of its proper divisors (16082936851707).

23115536555013 is a wasteful number, since it uses less digits than its factorization.

23115536555013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190803194 (or 190803188 counting only the distinct ones).

The product of its (nonzero) digits is 1012500, while the sum is 45.

The spelling of 23115536555013 in words is "twenty-three trillion, one hundred fifteen billion, five hundred thirty-six million, five hundred fifty-five thousand, thirteen".