23121838608 has 80 divisors (see below), whose sum is σ = 65185262400. Its totient is φ = 7004067840.

The previous prime is 23121838573. The next prime is 23121838631. The reversal of 23121838608 is 80683812132.

It is a super-2 number, since 2×23121838608² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23121838608.

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, 1857108 + ... + 1869516.

It is an arithmetic number, because the mean of its divisors is an integer number (814815780).

Almost surely, 2^23121838608 is an apocalyptic number.

It is an amenable number.

23121838608 is an abundant number, since it is smaller than the sum of its proper divisors (42063423792).

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

23121838608 is a wasteful number, since it uses less digits than its factorization.

23121838608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15960 (or 15954 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 23121838608 in words is "twenty-three billion, one hundred twenty-one million, eight hundred thirty-eight thousand, six hundred eight".