23972577912 has 192 divisors, whose sum is σ = 68685926400. Its totient is φ = 7831676160.

The previous prime is 23972577883. The next prime is 23972577919. The reversal of 23972577912 is 21977527932.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23972577919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21972487 + ... + 21973577.

It is an arithmetic number, because the mean of its divisors is an integer number (357739200).

Almost surely, 2^23972577912 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 23972577912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34342963200).

23972577912 is an abundant number, since it is smaller than the sum of its proper divisors (44713348488).

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

23972577912 is a wasteful number, since it uses less digits than its factorization.

23972577912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1312 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The spelling of 23972577912 in words is "twenty-three billion, nine hundred seventy-two million, five hundred seventy-seven thousand, nine hundred twelve".