23112113100 has 72 divisors (see below), whose sum is σ = 67967347728. Its totient is φ = 6062188800.

The previous prime is 23112113083. The next prime is 23112113111. The reversal of 23112113100 is 131121132.

It is a happy number.

It is a super-2 number, since 2×23112113100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23112113100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613179 + ... + 649778.

Almost surely, 2^23112113100 is an apocalyptic number.

23112113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112113100 is an abundant number, since it is smaller than the sum of its proper divisors (44855234628).

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

23112113100 is a wasteful number, since it uses less digits than its factorization.

23112113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263035 (or 1263028 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23112113100 its reverse (131121132), we get a palindrome (23243234232).

The spelling of 23112113100 in words is "twenty-three billion, one hundred twelve million, one hundred thirteen thousand, one hundred".