312233223 has 4 divisors (see below), whose sum is σ = 416310968. Its totient is φ = 208155480.

The previous prime is 312233219. The next prime is 312233261. The reversal of 312233223 is 322332213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 312233223 - 2² = 312233219 is a prime.

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 312233223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52038868 + ... + 52038873.

It is an arithmetic number, because the mean of its divisors is an integer number (104077742).

Almost surely, 2^312233223 is an apocalyptic number.

312233223 is a deficient number, since it is larger than the sum of its proper divisors (104077745).

312233223 is a wasteful number, since it uses less digits than its factorization.

312233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104077744.

The product of its digits is 1296, while the sum is 21.

The square root of 312233223 is about 17670.1223255528. The cubic root of 312233223 is about 678.4112440553.

Adding to 312233223 its reverse (322332213), we get a palindrome (634565436).

The spelling of 312233223 in words is "three hundred twelve million, two hundred thirty-three thousand, two hundred twenty-three".