23179247031 has 4 divisors (see below), whose sum is σ = 30905662712. Its totient is φ = 15452831352.

The previous prime is 23179247009. The next prime is 23179247041. The reversal of 23179247031 is 13074297132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23179247031 - 2¹⁵ = 23179214263 is a prime.

It is a super-2 number, since 2×23179247031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23179247041) 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, 3863207836 + ... + 3863207841.

It is an arithmetic number, because the mean of its divisors is an integer number (7726415678).

Almost surely, 2^23179247031 is an apocalyptic number.

23179247031 is a deficient number, since it is larger than the sum of its proper divisors (7726415681).

23179247031 is an equidigital number, since it uses as much as digits as its factorization.

23179247031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726415680.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 23179247031 in words is "twenty-three billion, one hundred seventy-nine million, two hundred forty-seven thousand, thirty-one".