312323223133 has 4 divisors (see below), whose sum is σ = 325902493728. Its totient is φ = 298743952540.

The previous prime is 312323223127. The next prime is 312323223169. The reversal of 312323223133 is 331322323213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312323223133 - 2⁵ = 312323223101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312323223103) 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, 6789635263 + ... + 6789635308.

It is an arithmetic number, because the mean of its divisors is an integer number (81475623432).

Almost surely, 2^312323223133 is an apocalyptic number.

It is an amenable number.

312323223133 is a deficient number, since it is larger than the sum of its proper divisors (13579270595).

312323223133 is a wasteful number, since it uses less digits than its factorization.

312323223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579270594.

The product of its digits is 11664, while the sum is 28.

Adding to 312323223133 its reverse (331322323213), we get a palindrome (643645546346).

The spelling of 312323223133 in words is "three hundred twelve billion, three hundred twenty-three million, two hundred twenty-three thousand, one hundred thirty-three".