21232312023200 has 72 divisors (see below), whose sum is σ = 52079037978240. Its totient is φ = 8452673913600.

The previous prime is 21232312023199. The next prime is 21232312023211. The reversal of 21232312023200 is 232021323212.

It is a super-2 number, since 2×21232312023200² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62723120 + ... + 63060719.

It is an arithmetic number, because the mean of its divisors is an integer number (723319971920).

Almost surely, 2^{21232312023200} is an apocalyptic number.

21232312023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21232312023200 is an abundant number, since it is smaller than the sum of its proper divisors (30846725955040).

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

21232312023200 is a wasteful number, since it uses less digits than its factorization.

21232312023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125784070 (or 125784057 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21232312023200 its reverse (232021323212), we get a palindrome (21464333346412).

The spelling of 21232312023200 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred twelve million, twenty-three thousand, two hundred".