23715115617 has 16 divisors (see below), whose sum is σ = 33503215680. Its totient is φ = 14869827072.

The previous prime is 23715115577. The next prime is 23715115621. The reversal of 23715115617 is 71651151732.

It is not a de Polignac number, because 23715115617 - 2²⁴ = 23698338401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23715115637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84948 + ... + 233765.

It is an arithmetic number, because the mean of its divisors is an integer number (2093950980).

Almost surely, 2^23715115617 is an apocalyptic number.

It is an amenable number.

23715115617 is a deficient number, since it is larger than the sum of its proper divisors (9788100063).

23715115617 is a wasteful number, since it uses less digits than its factorization.

23715115617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320192.

The product of its digits is 44100, while the sum is 39.

The spelling of 23715115617 in words is "twenty-three billion, seven hundred fifteen million, one hundred fifteen thousand, six hundred seventeen".