23312121200 has 30 divisors (see below), whose sum is σ = 56007372144. Its totient is φ = 9324848320.

The previous prime is 23312121191. The next prime is 23312121229. The reversal of 23312121200 is 212121332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29139752 + ... + 29140551.

Almost surely, 2^23312121200 is an apocalyptic number.

23312121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23312121200 is an abundant number, since it is smaller than the sum of its proper divisors (32695250944).

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

23312121200 is a wasteful number, since it uses less digits than its factorization.

23312121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58280321 (or 58280310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23312121200 its reverse (212121332), we get a palindrome (23524242532).

The spelling of 23312121200 in words is "twenty-three billion, three hundred twelve million, one hundred twenty-one thousand, two hundred".