321123013000 has 64 divisors (see below), whose sum is σ = 795629530800. Its totient is φ = 120893363200.

The previous prime is 321123012989. The next prime is 321123013019. The reversal of 321123013000 is 310321123.

It can be written as a sum of positive squares in 8 ways, for example, as 1760138116 + 319362874884 = 41954^2 + 565122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9427795 + ... + 9461794.

Almost surely, 2^321123013000 is an apocalyptic number.

It is an amenable number.

321123013000 is an abundant number, since it is smaller than the sum of its proper divisors (474506517800).

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

321123013000 is a wasteful number, since it uses less digits than its factorization.

321123013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18889627 (or 18889613 counting only the distinct ones).

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

Adding to 321123013000 its reverse (310321123), we get a palindrome (321433334123).

The spelling of 321123013000 in words is "three hundred twenty-one billion, one hundred twenty-three million, thirteen thousand".