23572071372 has 24 divisors (see below), whose sum is σ = 55113532992. Its totient is φ = 7841352400.

The previous prime is 23572071349. The next prime is 23572071373. The reversal of 23572071372 is 27317027532.

It is a happy number.

It is a hoax number, since the sum of its digits (39) 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 23572071372.

It is not an unprimeable number, because it can be changed into a prime (23572071373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994454 + ... + 2006237.

It is an arithmetic number, because the mean of its divisors is an integer number (2296397208).

Almost surely, 2^23572071372 is an apocalyptic number.

It is an amenable number.

23572071372 is an abundant number, since it is smaller than the sum of its proper divisors (31541461620).

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

23572071372 is a wasteful number, since it uses less digits than its factorization.

23572071372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001189 (or 4001187 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 39.

The spelling of 23572071372 in words is "twenty-three billion, five hundred seventy-two million, seventy-one thousand, three hundred seventy-two".