23999713920 has 1152 divisors, whose sum is σ = 107677140480. Its totient is φ = 4877107200.

The previous prime is 23999713919. The next prime is 23999713931. The reversal of 23999713920 is 2931799932.

It is a tau number, because it is divible by the number of its divisors (1152).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 113742615 + ... + 113742825.

It is an arithmetic number, because the mean of its divisors is an integer number (93469740).

Almost surely, 2^23999713920 is an apocalyptic number.

23999713920 is a gapful number since it is divisible by the number (20) 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 23999713920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53838570240).

23999713920 is an abundant number, since it is smaller than the sum of its proper divisors (83677426560).

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

23999713920 is a wasteful number, since it uses less digits than its factorization.

23999713920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The spelling of 23999713920 in words is "twenty-three billion, nine hundred ninety-nine million, seven hundred thirteen thousand, nine hundred twenty".