23157423888 has 40 divisors (see below), whose sum is σ = 59875373088. Its totient is φ = 7712428032.

The previous prime is 23157423859. The next prime is 23157423901. The reversal of 23157423888 is 88832475132.

It is a super-2 number, since 2×23157423888² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23157423888.

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, 153870 + ... + 264557.

Almost surely, 2^23157423888 is an apocalyptic number.

It is an amenable number.

23157423888 is an abundant number, since it is smaller than the sum of its proper divisors (36717949200).

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

23157423888 is a wasteful number, since it uses less digits than its factorization.

23157423888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419591 (or 419585 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The spelling of 23157423888 in words is "twenty-three billion, one hundred fifty-seven million, four hundred twenty-three thousand, eight hundred eighty-eight".