23909379984 has 80 divisors (see below), whose sum is σ = 78432896640. Its totient is φ = 6831250560.

The previous prime is 23909379979. The next prime is 23909379997. The reversal of 23909379984 is 48997390932.

23909379984 is a `hidden beast` number, since 2 + 390 + 93 + 79 + 98 + 4 = 666.

It is a super-3 number, since 3×23909379984³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3950247 + ... + 3956294.

It is an arithmetic number, because the mean of its divisors is an integer number (980411208).

Almost surely, 2^23909379984 is an apocalyptic number.

23909379984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23909379984 is an abundant number, since it is smaller than the sum of its proper divisors (54523516656).

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

23909379984 is a wasteful number, since it uses less digits than its factorization.

23909379984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906565 (or 7906553 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 23909379984 in words is "twenty-three billion, nine hundred nine million, three hundred seventy-nine thousand, nine hundred eighty-four".