23121094372188 has 48 divisors (see below), whose sum is σ = 54008809344000. Its totient is φ = 7698523229824.

The previous prime is 23121094372151. The next prime is 23121094372253. The reversal of 23121094372188 is 88127349012132.

It is a self number, because there is not a number n which added to its sum of digits gives 23121094372188.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41038645 + ... + 41598227.

It is an arithmetic number, because the mean of its divisors is an integer number (1125183528000).

Almost surely, 2^{23121094372188} is an apocalyptic number.

It is an amenable number.

23121094372188 is an abundant number, since it is smaller than the sum of its proper divisors (30887714971812).

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

23121094372188 is a wasteful number, since it uses less digits than its factorization.

23121094372188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563386 (or 563384 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 23121094372188 in words is "twenty-three trillion, one hundred twenty-one billion, ninety-four million, three hundred seventy-two thousand, one hundred eighty-eight".