321315464513123 has 4 divisors (see below), whose sum is σ = 323627086560120. Its totient is φ = 319003842466128.

The previous prime is 321315464513101. The next prime is 321315464513137.

321315464513123 is nontrivially palindromic in base 10.

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 321315464513123 - 2¹⁴ = 321315464496739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321315464513023) 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, 1155811023290 + ... + 1155811023567.

It is an arithmetic number, because the mean of its divisors is an integer number (80906771640030).

Almost surely, 2^{321315464513123} is an apocalyptic number.

321315464513123 is a deficient number, since it is larger than the sum of its proper divisors (2311622046997).

321315464513123 is a wasteful number, since it uses less digits than its factorization.

321315464513123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311622046996.

The product of its digits is 777600, while the sum is 44.

The spelling of 321315464513123 in words is "three hundred twenty-one trillion, three hundred fifteen billion, four hundred sixty-four million, five hundred thirteen thousand, one hundred twenty-three".