23793997920 has 768 divisors, whose sum is σ = 101629624320. Its totient is φ = 4528742400.

The previous prime is 23793997919. The next prime is 23793998017. The reversal of 23793997920 is 2979939732.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21768894 + ... + 21769986.

It is an arithmetic number, because the mean of its divisors is an integer number (132330240).

Almost surely, 2^23793997920 is an apocalyptic number.

23793997920 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 23793997920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50814812160).

23793997920 is an abundant number, since it is smaller than the sum of its proper divisors (77835626400).

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

23793997920 is a wasteful number, since it uses less digits than its factorization.

23793997920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 11573604, while the sum is 60.

The spelling of 23793997920 in words is "twenty-three billion, seven hundred ninety-three million, nine hundred ninety-seven thousand, nine hundred twenty".