23993166560 has 192 divisors, whose sum is σ = 66200198400. Its totient is φ = 8124825600.

The previous prime is 23993166523. The next prime is 23993166581. The reversal of 23993166560 is 6566139932.

It is a junction number, because it is equal to n+sod(n) for n = 23993166499 and 23993166508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1966880 + ... + 1979040.

It is an arithmetic number, because the mean of its divisors is an integer number (344792700).

Almost surely, 2^23993166560 is an apocalyptic number.

23993166560 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 23993166560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33100099200).

23993166560 is an abundant number, since it is smaller than the sum of its proper divisors (42207031840).

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

23993166560 is a wasteful number, since it uses less digits than its factorization.

23993166560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265 (or 12257 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 23993166560 in words is "twenty-three billion, nine hundred ninety-three million, one hundred sixty-six thousand, five hundred sixty".