321004324400323 has 4 divisors (see below), whose sum is σ = 321004360317448. Its totient is φ = 321004288483200.

The previous prime is 321004324400197. The next prime is 321004324400359. The reversal of 321004324400323 is 323004423400123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 321004324400323 - 2³⁷ = 320866885446851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321004324400923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7138723 + ... + 26324323.

It is an arithmetic number, because the mean of its divisors is an integer number (80251090079362).

Almost surely, 2^{321004324400323} is an apocalyptic number.

321004324400323 is a deficient number, since it is larger than the sum of its proper divisors (35917125).

321004324400323 is a wasteful number, since it uses less digits than its factorization.

321004324400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35917124.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 321004324400323 its reverse (323004423400123), we get a palindrome (644008747800446).

The spelling of 321004324400323 in words is "three hundred twenty-one trillion, four billion, three hundred twenty-four million, four hundred thousand, three hundred twenty-three".