23901798816 has 336 divisors, whose sum is σ = 81150056064. Its totient is φ = 6785275392.

The previous prime is 23901798751. The next prime is 23901798853. The reversal of 23901798816 is 61889710932.

23901798816 is a `hidden beast` number, since 2 + 390 + 179 + 8 + 81 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 32168941 + ... + 32169683.

It is an arithmetic number, because the mean of its divisors is an integer number (241518024).

Almost surely, 2^23901798816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23901798816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40575028032).

23901798816 is an abundant number, since it is smaller than the sum of its proper divisors (57248257248).

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

23901798816 is an equidigital number, since it uses as much as digits as its factorization.

23901798816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 23901798816 in words is "twenty-three billion, nine hundred one million, seven hundred ninety-eight thousand, eight hundred sixteen".