23978791584 has 480 divisors, whose sum is σ = 82894819392. Its totient is φ = 6718464000.

The previous prime is 23978791513. The next prime is 23978791609. The reversal of 23978791584 is 48519787932.

23978791584 is a `hidden beast` number, since 2 + 397 + 87 + 91 + 5 + 84 = 666.

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 79 ways as a sum of consecutive naturals, for example, 29566539 + ... + 29567349.

Almost surely, 2^23978791584 is an apocalyptic number.

23978791584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23978791584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41447409696).

23978791584 is an abundant number, since it is smaller than the sum of its proper divisors (58916027808).

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

23978791584 is a wasteful number, since it uses less digits than its factorization.

23978791584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 905 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 23978791584 in words is "twenty-three billion, nine hundred seventy-eight million, seven hundred ninety-one thousand, five hundred eighty-four".