23972198028 has 24 divisors (see below), whose sum is σ = 57446890032. Its totient is φ = 7774766784.

The previous prime is 23972197999. The next prime is 23972198053. The reversal of 23972198028 is 82089127932.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26995275 + ... + 26996162.

It is an arithmetic number, because the mean of its divisors is an integer number (2393620418).

Almost surely, 2^23972198028 is an apocalyptic number.

It is an amenable number.

23972198028 is an abundant number, since it is smaller than the sum of its proper divisors (33474692004).

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

23972198028 is a wasteful number, since it uses less digits than its factorization.

23972198028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53991481 (or 53991479 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 23972198028 in words is "twenty-three billion, nine hundred seventy-two million, one hundred ninety-eight thousand, twenty-eight".