321420004324323 has 4 divisors (see below), whose sum is σ = 428560005765768. Its totient is φ = 214280002882880.

The previous prime is 321420004324303. The next prime is 321420004324327. The reversal of 321420004324323 is 323423400024123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321420004324323 - 2²¹ = 321420002227171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321420004324327) 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, 53570000720718 + ... + 53570000720723.

It is an arithmetic number, because the mean of its divisors is an integer number (107140001441442).

Almost surely, 2^{321420004324323} is an apocalyptic number.

321420004324323 is a deficient number, since it is larger than the sum of its proper divisors (107140001441445).

321420004324323 is a wasteful number, since it uses less digits than its factorization.

321420004324323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107140001441444.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 321420004324323 its reverse (323423400024123), we get a palindrome (644843404348446).

The spelling of 321420004324323 in words is "three hundred twenty-one trillion, four hundred twenty billion, four million, three hundred twenty-four thousand, three hundred twenty-three".