23120000100 has 90 divisors (see below), whose sum is σ = 74945932754. Its totient is φ = 6165331200.

The previous prime is 23120000093. The next prime is 23120000173. The reversal of 23120000100 is 100002132.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7801482276 + 15318517824 = 88326^2 + 123768^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1419061 + ... + 1435260.

Almost surely, 2^23120000100 is an apocalyptic number.

23120000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120000100 is an abundant number, since it is smaller than the sum of its proper divisors (51825932654).

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

23120000100 is a wasteful number, since it uses less digits than its factorization.

23120000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854347 (or 2854331 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 23120000100 its reverse (100002132), we get a palindrome (23220002232).

The spelling of 23120000100 in words is "twenty-three billion, one hundred twenty million, one hundred", and thus it is an aban number.