312233434223 has 4 divisors (see below), whose sum is σ = 312235110720. Its totient is φ = 312231757728.

The previous prime is 312233434211. The next prime is 312233434231. The reversal of 312233434223 is 322434332213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322434332213 = 7 ⋅46062047459.

It is a cyclic number.

It is not a de Polignac number, because 312233434223 - 2⁴ = 312233434207 is a prime.

It is a super-2 number, since 2×312233434223² (a number of 24 digits) contains 22 as substring.

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 312233434223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233434823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518138 + ... + 944951.

It is an arithmetic number, because the mean of its divisors is an integer number (78058777680).

Almost surely, 2^312233434223 is an apocalyptic number.

312233434223 is a deficient number, since it is larger than the sum of its proper divisors (1676497).

312233434223 is a wasteful number, since it uses less digits than its factorization.

312233434223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676496.

The product of its digits is 62208, while the sum is 32.

Adding to 312233434223 its reverse (322434332213), we get a palindrome (634667766436).

The spelling of 312233434223 in words is "three hundred twelve billion, two hundred thirty-three million, four hundred thirty-four thousand, two hundred twenty-three".