23011312100 has 72 divisors (see below), whose sum is σ = 58144903488. Its totient is φ = 7740720000.

The previous prime is 23011312057. The next prime is 23011312111. The reversal of 23011312100 is 121311032.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273026 + ... + 347225.

It is an arithmetic number, because the mean of its divisors is an integer number (807568104).

Almost surely, 2^23011312100 is an apocalyptic number.

23011312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011312100 is an abundant number, since it is smaller than the sum of its proper divisors (35133591388).

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

23011312100 is a wasteful number, since it uses less digits than its factorization.

23011312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620325 (or 620318 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23011312100 its reverse (121311032), we get a palindrome (23132623132).

The spelling of 23011312100 in words is "twenty-three billion, eleven million, three hundred twelve thousand, one hundred".