321445544123 has 32 divisors (see below), whose sum is σ = 376083751680. Its totient is φ = 271492264960.

The previous prime is 321445544113. The next prime is 321445544137.

321445544123 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 321445544123 - 2⁴ = 321445544107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321445544113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19998536 + ... + 20014602.

It is an arithmetic number, because the mean of its divisors is an integer number (11752617240).

Almost surely, 2^321445544123 is an apocalyptic number.

321445544123 is a deficient number, since it is larger than the sum of its proper divisors (54638207557).

321445544123 is a wasteful number, since it uses less digits than its factorization.

321445544123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17467.

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 321445 and 544123, that added together give a palindrome (865568).

The spelling of 321445544123 in words is "three hundred twenty-one billion, four hundred forty-five million, five hundred forty-four thousand, one hundred twenty-three".