321403404304123 has 16 divisors (see below), whose sum is σ = 351333879091200. Its totient is φ = 293071010712480.

The previous prime is 321403404304093. The next prime is 321403404304139.

321403404304123 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-321403404304123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321403404301123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3049720563 + ... + 3049825948.

It is an arithmetic number, because the mean of its divisors is an integer number (21958367443200).

Almost surely, 2^{321403404304123} is an apocalyptic number.

321403404304123 is a deficient number, since it is larger than the sum of its proper divisors (29930474787077).

321403404304123 is a wasteful number, since it uses less digits than its factorization.

321403404304123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099546642.

The product of its (nonzero) digits is 82944, while the sum is 34.

It can be divided in two parts, 32140340 and 4304123, that added together give a palindrome (36444463).

The spelling of 321403404304123 in words is "three hundred twenty-one trillion, four hundred three billion, four hundred four million, three hundred four thousand, one hundred twenty-three".