312230223 has 12 divisors (see below), whose sum is σ = 451796488. Its totient is φ = 207785520.

The previous prime is 312230197. The next prime is 312230257. The reversal of 312230223 is 322032213.

It is a happy number.

It is not a de Polignac number, because 312230223 - 2⁶ = 312230159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312230196 and 312230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312230263) 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 11 ways as a sum of consecutive naturals, for example, 25240 + ... + 35517.

Almost surely, 2^312230223 is an apocalyptic number.

312230223 is a deficient number, since it is larger than the sum of its proper divisors (139566265).

312230223 is a wasteful number, since it uses less digits than its factorization.

312230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61334 (or 61331 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 312230223 is about 17670.0374362931. The cubic root of 312230223 is about 678.4090712775.

Adding to 312230223 its reverse (322032213), we get a palindrome (634262436).

The spelling of 312230223 in words is "three hundred twelve million, two hundred thirty thousand, two hundred twenty-three".