321323311023 has 24 divisors (see below), whose sum is σ = 506097187200. Its totient is φ = 179761289760.

The previous prime is 321323310991. The next prime is 321323311039. The reversal of 321323311023 is 320113323123.

It is not a de Polignac number, because 321323311023 - 2⁵ = 321323310991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321323310984 and 321323311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321323311073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28802323 + ... + 28813476.

It is an arithmetic number, because the mean of its divisors is an integer number (21087382800).

Almost surely, 2^321323311023 is an apocalyptic number.

321323311023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

321323311023 is a deficient number, since it is larger than the sum of its proper divisors (184773876177).

321323311023 is a wasteful number, since it uses less digits than its factorization.

321323311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57615839 (or 57615826 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 321323311023 its reverse (320113323123), we get a palindrome (641436634146).

The spelling of 321323311023 in words is "three hundred twenty-one billion, three hundred twenty-three million, three hundred eleven thousand, twenty-three".