23997089567880 has 576 divisors, whose sum is σ = 95297496053760. Its totient is φ = 5196749184000.

The previous prime is 23997089567809. The next prime is 23997089567909. The reversal of 23997089567880 is 8876598079932.

23997089567880 is a `hidden beast` number, since 2 + 399 + 7 + 0 + 8 + 95 + 67 + 8 + 80 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23997089567880.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16871185 + ... + 18238175.

It is an arithmetic number, because the mean of its divisors is an integer number (165447041760).

Almost surely, 2^{23997089567880} is an apocalyptic number.

23997089567880 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 23997089567880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47648748026880).

23997089567880 is an abundant number, since it is smaller than the sum of its proper divisors (71300406485880).

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

23997089567880 is a wasteful number, since it uses less digits than its factorization.

23997089567880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367074 (or 1367056 counting only the distinct ones).

The product of its (nonzero) digits is 3292047360, while the sum is 81.

The spelling of 23997089567880 in words is "twenty-three trillion, nine hundred ninety-seven billion, eighty-nine million, five hundred sixty-seven thousand, eight hundred eighty".