312617223 has 12 divisors (see below), whose sum is σ = 459212520. Its totient is φ = 204878736.

The previous prime is 312617213. The next prime is 312617269. The reversal of 312617223 is 322716213.

It is not a de Polignac number, because 312617223 - 2⁶ = 312617159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312617213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293836 + ... + 294897.

It is an arithmetic number, because the mean of its divisors is an integer number (38267710).

Almost surely, 2^312617223 is an apocalyptic number.

312617223 is a deficient number, since it is larger than the sum of its proper divisors (146595297).

312617223 is a wasteful number, since it uses less digits than its factorization.

312617223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588798 (or 588795 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 312617223 is about 17680.9847859219. The cubic root of 312617223 is about 678.6892447883.

The spelling of 312617223 in words is "three hundred twelve million, six hundred seventeen thousand, two hundred twenty-three".