321312323213123 has 12 divisors (see below), whose sum is σ = 356674820135424. Its totient is φ = 289210011882000.

The previous prime is 321312323213087. The next prime is 321312323213129.

321312323213123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321312323213123 - 2¹² = 321312323209027 is a prime.

It is a super-2 number, since 2×321312323213123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321312323213123.

It is not an unprimeable number, because it can be changed into a prime (321312323213129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13145897411 + ... + 13145921852.

It is an arithmetic number, because the mean of its divisors is an integer number (29722901677952).

Almost surely, 2^{321312323213123} is an apocalyptic number.

321312323213123 is a deficient number, since it is larger than the sum of its proper divisors (35362496922301).

321312323213123 is a wasteful number, since it uses less digits than its factorization.

321312323213123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26291819386 (or 26291819375 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

The spelling of 321312323213123 in words is "three hundred twenty-one trillion, three hundred twelve billion, three hundred twenty-three million, two hundred thirteen thousand, one hundred twenty-three".