23179157916 has 12 divisors (see below), whose sum is σ = 54084701832. Its totient is φ = 7726385968.

The previous prime is 23179157893. The next prime is 23179157917. The reversal of 23179157916 is 61975197132.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23179157917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965798235 + ... + 965798258.

It is an arithmetic number, because the mean of its divisors is an integer number (4507058486).

Almost surely, 2^23179157916 is an apocalyptic number.

It is an amenable number.

23179157916 is an abundant number, since it is smaller than the sum of its proper divisors (30905543916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23179157916 is a wasteful number, since it uses less digits than its factorization.

23179157916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931596500 (or 1931596498 counting only the distinct ones).

The product of its digits is 714420, while the sum is 51.

The spelling of 23179157916 in words is "twenty-three billion, one hundred seventy-nine million, one hundred fifty-seven thousand, nine hundred sixteen".