23725587721928 has 32 divisors (see below), whose sum is σ = 44928288480960. Its totient is φ = 11744723140800.

The previous prime is 23725587721919. The next prime is 23725587721933. The reversal of 23725587721928 is 82912778552732.

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, 14805725 + ... + 16329747.

It is an arithmetic number, because the mean of its divisors is an integer number (1404009015030).

Almost surely, 2^{23725587721928} is an apocalyptic number.

It is an amenable number.

23725587721928 is a deficient number, since it is larger than the sum of its proper divisors (21202700759032).

23725587721928 is a wasteful number, since it uses less digits than its factorization.

23725587721928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543397 (or 1543393 counting only the distinct ones).

The product of its digits is 237081600, while the sum is 68.

The spelling of 23725587721928 in words is "twenty-three trillion, seven hundred twenty-five billion, five hundred eighty-seven million, seven hundred twenty-one thousand, nine hundred twenty-eight".