23121332300 has 36 divisors (see below), whose sum is σ = 54734501976. Its totient is φ = 8407756800.

The previous prime is 23121332287. The next prime is 23121332401. The reversal of 23121332300 is 323312132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10508597 + ... + 10510796.

Almost surely, 2^23121332300 is an apocalyptic number.

23121332300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23121332300 is an abundant number, since it is smaller than the sum of its proper divisors (31613169676).

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

23121332300 is a wasteful number, since it uses less digits than its factorization.

23121332300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21019418 (or 21019411 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23121332300 its reverse (323312132), we get a palindrome (23444644432).

The spelling of 23121332300 in words is "twenty-three billion, one hundred twenty-one million, three hundred thirty-two thousand, three hundred".