312133122323 has 8 divisors (see below), whose sum is σ = 340514705856. Its totient is φ = 283752513000.

The previous prime is 312133122319. The next prime is 312133122331. The reversal of 312133122323 is 323221331213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312133122323 - 2² = 312133122319 is a prime.

It is a super-2 number, since 2×312133122323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312133122292 and 312133122301.

It is not an unprimeable number, because it can be changed into a prime (312133422323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534440 + ... + 953882.

It is an arithmetic number, because the mean of its divisors is an integer number (42564338232).

Almost surely, 2^312133122323 is an apocalyptic number.

312133122323 is a deficient number, since it is larger than the sum of its proper divisors (28381583533).

312133122323 is a wasteful number, since it uses less digits than its factorization.

312133122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487105.

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

Adding to 312133122323 its reverse (323221331213), we get a palindrome (635354453536).

The spelling of 312133122323 in words is "three hundred twelve billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred twenty-three".