321345222543123 has 64 divisors (see below), whose sum is σ = 445295425536000. Its totient is φ = 205968210255360.

The previous prime is 321345222543109. The next prime is 321345222543139.

321345222543123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321345222543123 - 2³² = 321340927575827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321345222543923) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2464030788 + ... + 2464161198.

It is an arithmetic number, because the mean of its divisors is an integer number (6957741024000).

Almost surely, 2^{321345222543123} is an apocalyptic number.

321345222543123 is a deficient number, since it is larger than the sum of its proper divisors (123950202992877).

321345222543123 is a wasteful number, since it uses less digits than its factorization.

321345222543123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131372.

The product of its digits is 1036800, while the sum is 42.

The spelling of 321345222543123 in words is "three hundred twenty-one trillion, three hundred forty-five billion, two hundred twenty-two million, five hundred forty-three thousand, one hundred twenty-three".