23259516917 has 16 divisors (see below), whose sum is σ = 28690905600. Its totient is φ = 18362115072.

The previous prime is 23259516899. The next prime is 23259516937. The reversal of 23259516917 is 71961595232.

It is not a de Polignac number, because 23259516917 - 2⁶ = 23259516853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23259516937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243773 + ... + 325490.

It is an arithmetic number, because the mean of its divisors is an integer number (1793181600).

Almost surely, 2^23259516917 is an apocalyptic number.

It is an amenable number.

23259516917 is a deficient number, since it is larger than the sum of its proper divisors (5431388683).

23259516917 is a wasteful number, since it uses less digits than its factorization.

23259516917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569732.

The product of its digits is 1020600, while the sum is 50.

The spelling of 23259516917 in words is "twenty-three billion, two hundred fifty-nine million, five hundred sixteen thousand, nine hundred seventeen".