23112801100 has 72 divisors (see below), whose sum is σ = 52042155200. Its totient is φ = 8902379520.

The previous prime is 23112801097. The next prime is 23112801133. The reversal of 23112801100 is 110821132.

It is a super-2 number, since 2×23112801100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326701 + ... + 391099.

Almost surely, 2^23112801100 is an apocalyptic number.

23112801100 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 23112801100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26021077600).

23112801100 is an abundant number, since it is smaller than the sum of its proper divisors (28929354100).

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

23112801100 is a wasteful number, since it uses less digits than its factorization.

23112801100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64547 (or 64540 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The spelling of 23112801100 in words is "twenty-three billion, one hundred twelve million, eight hundred one thousand, one hundred".