23873968512 has 112 divisors (see below), whose sum is σ = 71309790180. Its totient is φ = 7957958400.

The previous prime is 23873968511. The next prime is 23873968523. The reversal of 23873968512 is 21586937832.

23873968512 is a `hidden beast` number, since 2 + 38 + 7 + 3 + 96 + 8 + 512 = 666.

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 (23873968511) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 34614 + ... + 221237.

Almost surely, 2^23873968512 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 23873968512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35654895090).

23873968512 is an abundant number, since it is smaller than the sum of its proper divisors (47435821668).

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

23873968512 is an frugal number, since it uses more digits than its factorization.

23873968512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255883 (or 255856 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 23873968512 in words is "twenty-three billion, eight hundred seventy-three million, nine hundred sixty-eight thousand, five hundred twelve".