312747223 has 16 divisors (see below), whose sum is σ = 334666080. Its totient is φ = 291747456.

The previous prime is 312747217. The next prime is 312747229. The reversal of 312747223 is 322747213.

It is an interprime number because it is at equal distance from previous prime (312747217) and next prime (312747229).

It is a cyclic number.

It is not a de Polignac number, because 312747223 - 2⁹ = 312746711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312747229) 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 15 ways as a sum of consecutive naturals, for example, 101461 + ... + 104497.

It is an arithmetic number, because the mean of its divisors is an integer number (20916630).

Almost surely, 2^312747223 is an apocalyptic number.

312747223 is a deficient number, since it is larger than the sum of its proper divisors (21918857).

312747223 is a wasteful number, since it uses less digits than its factorization.

312747223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186.

The product of its digits is 14112, while the sum is 31.

The square root of 312747223 is about 17684.6606696312. The cubic root of 312747223 is about 678.7833080370.

The spelling of 312747223 in words is "three hundred twelve million, seven hundred forty-seven thousand, two hundred twenty-three".