23311423100 has 72 divisors (see below), whose sum is σ = 57840048000. Its totient is φ = 7988656320.

The previous prime is 23311423073. The next prime is 23311423123. The reversal of 23311423100 is 132411332.

It is a super-2 number, since 2×23311423100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1720151 + ... + 1733649.

It is an arithmetic number, because the mean of its divisors is an integer number (803334000).

Almost surely, 2^23311423100 is an apocalyptic number.

23311423100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311423100 is an abundant number, since it is smaller than the sum of its proper divisors (34528624900).

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

23311423100 is a wasteful number, since it uses less digits than its factorization.

23311423100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987 (or 15980 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23311423100 its reverse (132411332), we get a palindrome (23443834432).

The spelling of 23311423100 in words is "twenty-three billion, three hundred eleven million, four hundred twenty-three thousand, one hundred".