21232323200 has 96 divisors (see below), whose sum is σ = 57218793120. Its totient is φ = 7720832000.

The previous prime is 21232323197. The next prime is 21232323223. The reversal of 21232323200 is 232323212.

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

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, 266396 + ... + 336795.

It is an arithmetic number, because the mean of its divisors is an integer number (596029095).

Almost surely, 2^21232323200 is an apocalyptic number.

21232323200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21232323200 is an abundant number, since it is smaller than the sum of its proper divisors (35986469920).

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

21232323200 is a wasteful number, since it uses less digits than its factorization.

21232323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603226 (or 603209 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21232323200 its reverse (232323212), we get a palindrome (21464646412).

The spelling of 21232323200 in words is "twenty-one billion, two hundred thirty-two million, three hundred twenty-three thousand, two hundred".