23904757728 has 36 divisors (see below), whose sum is σ = 67979155608. Its totient is φ = 7968252480.

The previous prime is 23904757703. The next prime is 23904757733. The reversal of 23904757728 is 82775740932.

23904757728 is a `hidden beast` number, since 2 + 3 + 9 + 0 + 47 + 577 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41501028 + ... + 41501603.

It is an arithmetic number, because the mean of its divisors is an integer number (1888309878).

Almost surely, 2^23904757728 is an apocalyptic number.

It is an amenable number.

23904757728 is an abundant number, since it is smaller than the sum of its proper divisors (44074397880).

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

23904757728 is a wasteful number, since it uses less digits than its factorization.

23904757728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83002647 (or 83002636 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 23904757728 in words is "twenty-three billion, nine hundred four million, seven hundred fifty-seven thousand, seven hundred twenty-eight".