312002223 has 12 divisors (see below), whose sum is σ = 450465480. Its totient is φ = 192001056.

The previous prime is 312002221. The next prime is 312002237. The reversal of 312002223 is 322200213.

It is not a de Polignac number, because 312002223 - 2¹ = 312002221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312002221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307188 + ... + 308201.

It is an arithmetic number, because the mean of its divisors is an integer number (37538790).

Almost surely, 2^312002223 is an apocalyptic number.

312002223 is a deficient number, since it is larger than the sum of its proper divisors (138463257).

312002223 is a wasteful number, since it uses less digits than its factorization.

312002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615418 (or 615405 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 312002223 is about 17663.5846588398. The cubic root of 312002223 is about 678.2438994244.

Adding to 312002223 its reverse (322200213), we get a palindrome (634202436).

The spelling of 312002223 in words is "three hundred twelve million, two thousand, two hundred twenty-three".