313223021323 has 2 divisors, whose sum is σ = 313223021324. Its totient is φ = 313223021322.

The previous prime is 313223021311. The next prime is 313223021327. The reversal of 313223021323 is 323120322313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313223021323 is a prime.

It is a super-2 number, since 2×313223021323² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313223021327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156611510661 + 156611510662.

It is an arithmetic number, because the mean of its divisors is an integer number (156611510662).

Almost surely, 2^313223021323 is an apocalyptic number.

313223021323 is a deficient number, since it is larger than the sum of its proper divisors (1).

313223021323 is an equidigital number, since it uses as much as digits as its factorization.

313223021323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 313223021323 its reverse (323120322313), we get a palindrome (636343343636).

The spelling of 313223021323 in words is "three hundred thirteen billion, two hundred twenty-three million, twenty-one thousand, three hundred twenty-three".