23929194172 has 12 divisors (see below), whose sum is σ = 45097327576. Its totient is φ = 11044243440.

The previous prime is 23929194011. The next prime is 23929194259. The reversal of 23929194172 is 27149192932.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230088354 + ... + 230088457.

Almost surely, 2^23929194172 is an apocalyptic number.

It is an amenable number.

23929194172 is a deficient number, since it is larger than the sum of its proper divisors (21168133404).

23929194172 is a wasteful number, since it uses less digits than its factorization.

23929194172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460176828 (or 460176826 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The spelling of 23929194172 in words is "twenty-three billion, nine hundred twenty-nine million, one hundred ninety-four thousand, one hundred seventy-two".