23120031210100 has 216 divisors, whose sum is σ = 58623271308000. Its totient is φ = 7885928160000.

The previous prime is 23120031210083. The next prime is 23120031210197. The reversal of 23120031210100 is 101213002132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22722051 + ... + 23717749.

Almost surely, 2^{23120031210100} is an apocalyptic number.

23120031210100 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 23120031210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29311635654000).

23120031210100 is an abundant number, since it is smaller than the sum of its proper divisors (35503240097900).

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

23120031210100 is a wasteful number, since it uses less digits than its factorization.

23120031210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995855 (or 995837 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23120031210100 its reverse (101213002132), we get a palindrome (23221244212232).

The spelling of 23120031210100 in words is "twenty-three trillion, one hundred twenty billion, thirty-one million, two hundred ten thousand, one hundred".