23160136880 has 80 divisors (see below), whose sum is σ = 54496928640. Its totient is φ = 9152787456.

The previous prime is 23160136829. The next prime is 23160136889. The reversal of 23160136880 is 8863106132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×23160136880² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23160136889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196622 + ... + 3203858.

It is an arithmetic number, because the mean of its divisors is an integer number (681211608).

Almost surely, 2^23160136880 is an apocalyptic number.

23160136880 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 23160136880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27248464320).

23160136880 is an abundant number, since it is smaller than the sum of its proper divisors (31336791760).

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

23160136880 is a wasteful number, since it uses less digits than its factorization.

23160136880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726 (or 7720 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 23160136880 in words is "twenty-three billion, one hundred sixty million, one hundred thirty-six thousand, eight hundred eighty".