313123322123 has 4 divisors (see below), whose sum is σ = 314278759008. Its totient is φ = 311967885240.

The previous prime is 313123322117. The next prime is 313123322143. The reversal of 313123322123 is 321223321313.

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 313123322123 - 2⁴ = 313123322107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313123322092 and 313123322101.

It is not an unprimeable number, because it can be changed into a prime (313123322143) 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, 577718036 + ... + 577718577.

It is an arithmetic number, because the mean of its divisors is an integer number (78569689752).

Almost surely, 2^313123322123 is an apocalyptic number.

313123322123 is a deficient number, since it is larger than the sum of its proper divisors (1155436885).

313123322123 is a wasteful number, since it uses less digits than its factorization.

313123322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155436884.

The product of its digits is 3888, while the sum is 26.

Adding to 313123322123 its reverse (321223321313), we get a palindrome (634346643436).

The spelling of 313123322123 in words is "three hundred thirteen billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-three".