23513521115 has 64 divisors (see below), whose sum is σ = 34554304512. Its totient is φ = 15009561600.

The previous prime is 23513521067. The next prime is 23513521123. The reversal of 23513521115 is 51112531532.

It is not a de Polignac number, because 23513521115 - 2⁸ = 23513520859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21551720 + ... + 21552810.

It is an arithmetic number, because the mean of its divisors is an integer number (539911008).

Almost surely, 2^23513521115 is an apocalyptic number.

23513521115 is a deficient number, since it is larger than the sum of its proper divisors (11040783397).

23513521115 is a wasteful number, since it uses less digits than its factorization.

23513521115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its digits is 4500, while the sum is 29.

The spelling of 23513521115 in words is "twenty-three billion, five hundred thirteen million, five hundred twenty-one thousand, one hundred fifteen".