321323222032 has 40 divisors (see below), whose sum is σ = 655678346400. Its totient is φ = 152124890112.

The previous prime is 321323221981. The next prime is 321323222047. The reversal of 321323222032 is 230222323123.

It is a super-2 number, since 2×321323222032² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321323221988 and 321323222006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294483 + ... + 854029.

It is an arithmetic number, because the mean of its divisors is an integer number (16391958660).

Almost surely, 2^321323222032 is an apocalyptic number.

It is an amenable number.

321323222032 is an abundant number, since it is smaller than the sum of its proper divisors (334355124368).

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

321323222032 is a wasteful number, since it uses less digits than its factorization.

321323222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561463 (or 561457 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 321323222032 its reverse (230222323123), we get a palindrome (551545545155).

The spelling of 321323222032 in words is "three hundred twenty-one billion, three hundred twenty-three million, two hundred twenty-two thousand, thirty-two".