23778812512 has 288 divisors, whose sum is σ = 62259321600. Its totient is φ = 8862110208.

The previous prime is 23778812503. The next prime is 23778812521. The reversal of 23778812512 is 21521887732.

It is an interprime number because it is at equal distance from previous prime (23778812503) and next prime (23778812521).

Its product of digits (376320) is a multiple of the sum of its prime factors (256).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132842439 + ... + 132842617.

It is an arithmetic number, because the mean of its divisors is an integer number (216178200).

Almost surely, 2^23778812512 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 23778812512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31129660800).

23778812512 is an abundant number, since it is smaller than the sum of its proper divisors (38480509088).

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

23778812512 is an equidigital number, since it uses as much as digits as its factorization.

23778812512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 220 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The spelling of 23778812512 in words is "twenty-three billion, seven hundred seventy-eight million, eight hundred twelve thousand, five hundred twelve".