321304403123 has 16 divisors (see below), whose sum is σ = 353905542144. Its totient is φ = 289270328160.

The previous prime is 321304403107. The next prime is 321304403141.

321304403123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321304403123 - 2⁴ = 321304403107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321304403092 and 321304403101.

It is not an unprimeable number, because it can be changed into a prime (321304403023) 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, 3684461 + ... + 3770657.

It is an arithmetic number, because the mean of its divisors is an integer number (22119096384).

Almost surely, 2^321304403123 is an apocalyptic number.

321304403123 is a deficient number, since it is larger than the sum of its proper divisors (32601139021).

321304403123 is a wasteful number, since it uses less digits than its factorization.

321304403123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89482.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 321304 and 403123, that added together give a palindrome (724427).

The spelling of 321304403123 in words is "three hundred twenty-one billion, three hundred four million, four hundred three thousand, one hundred twenty-three".