23121013300 has 72 divisors (see below), whose sum is σ = 62552871360. Its totient is φ = 7206547200.

The previous prime is 23121013297. The next prime is 23121013313. The reversal of 23121013300 is 331012132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1493665 + ... + 1509064.

It is an arithmetic number, because the mean of its divisors is an integer number (868789880).

Almost surely, 2^23121013300 is an apocalyptic number.

23121013300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23121013300 is an abundant number, since it is smaller than the sum of its proper divisors (39431858060).

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

23121013300 is a wasteful number, since it uses less digits than its factorization.

23121013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002761 (or 3002754 counting only the distinct ones).

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

Adding to 23121013300 its reverse (331012132), we get a palindrome (23452025432).

The spelling of 23121013300 in words is "twenty-three billion, one hundred twenty-one million, thirteen thousand, three hundred".