321234223320 has 96 divisors (see below), whose sum is σ = 1045274602320. Its totient is φ = 85558798080.

The previous prime is 321234223309. The next prime is 321234223367. The reversal of 321234223320 is 23322432123.

321234223320 is a `hidden beast` number, since 3 + 212 + 3 + 422 + 3 + 3 + 20 = 666.

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, 241771 + ... + 837210.

Almost surely, 2^321234223320 is an apocalyptic number.

321234223320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321234223320 is an abundant number, since it is smaller than the sum of its proper divisors (724040379000).

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

321234223320 is a wasteful number, since it uses less digits than its factorization.

321234223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079825 (or 1079818 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 321234223320 its reverse (23322432123), we get a palindrome (344556655443).

The spelling of 321234223320 in words is "three hundred twenty-one billion, two hundred thirty-four million, two hundred twenty-three thousand, three hundred twenty".