23130123100 has 144 divisors (see below), whose sum is σ = 60508627200. Its totient is φ = 7497169920.

The previous prime is 23130123097. The next prime is 23130123139. The reversal of 23130123100 is 132103132.

It is a super-2 number, since 2×23130123100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7486356 + ... + 7489444.

It is an arithmetic number, because the mean of its divisors is an integer number (420198800).

Almost surely, 2^23130123100 is an apocalyptic number.

23130123100 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 23130123100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30254313600).

23130123100 is an abundant number, since it is smaller than the sum of its proper divisors (37378504100).

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

23130123100 is a wasteful number, since it uses less digits than its factorization.

23130123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23130123100 its reverse (132103132), we get a palindrome (23262226232).

The spelling of 23130123100 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-three thousand, one hundred".