23722504938 has 64 divisors (see below), whose sum is σ = 57841776000. Its totient is φ = 7147054080.

The previous prime is 23722504931. The next prime is 23722504943. The reversal of 23722504938 is 83940522732.

23722504938 is a `hidden beast` number, since 2 + 37 + 22 + 504 + 93 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 23722504893 and 23722504902.

It is not an unprimeable number, because it can be changed into a prime (23722504931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12663 + ... + 218186.

It is an arithmetic number, because the mean of its divisors is an integer number (903777750).

Almost surely, 2^23722504938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23722504938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28920888000).

23722504938 is an abundant number, since it is smaller than the sum of its proper divisors (34119271062).

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

23722504938 is a wasteful number, since it uses less digits than its factorization.

23722504938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231044 (or 231038 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 23722504938 in words is "twenty-three billion, seven hundred twenty-two million, five hundred four thousand, nine hundred thirty-eight".