100023321200 has 120 divisors (see below), whose sum is σ = 268546468176. Its totient is φ = 35484928000.

The previous prime is 100023321199. The next prime is 100023321253. The reversal of 100023321200 is 2123320001.

It is a happy number.

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, 96827 + ... + 457626.

Almost surely, 2^100023321200 is an apocalyptic number.

100023321200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100023321200 is an abundant number, since it is smaller than the sum of its proper divisors (168523146976).

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

100023321200 is a wasteful number, since it uses less digits than its factorization.

100023321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554523 (or 554512 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100023321200 its reverse (2123320001), we get a palindrome (102146641201).

The spelling of 100023321200 in words is "one hundred billion, twenty-three million, three hundred twenty-one thousand, two hundred".