321002011323 has 48 divisors (see below), whose sum is σ = 534197664000. Its totient is φ = 181946157120.

The previous prime is 321002011313. The next prime is 321002011339. The reversal of 321002011323 is 323110200123.

321002011323 is a `hidden beast` number, since 321 + 0 + 0 + 20 + 1 + 1 + 323 = 666.

It is not a de Polignac number, because 321002011323 - 2⁴ = 321002011307 is a prime.

It is a super-2 number, since 2×321002011323² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321002011296 and 321002011305.

It is not an unprimeable number, because it can be changed into a prime (321002011303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21029268 + ... + 21044526.

It is an arithmetic number, because the mean of its divisors is an integer number (11129118000).

Almost surely, 2^321002011323 is an apocalyptic number.

321002011323 is a deficient number, since it is larger than the sum of its proper divisors (213195652677).

321002011323 is a wasteful number, since it uses less digits than its factorization.

321002011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17952 (or 17949 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 321002011323 its reverse (323110200123), we get a palindrome (644112211446).

The spelling of 321002011323 in words is "three hundred twenty-one billion, two million, eleven thousand, three hundred twenty-three".