312123359 has 2 divisors, whose sum is σ = 312123360. Its totient is φ = 312123358.

The previous prime is 312123337. The next prime is 312123367. The reversal of 312123359 is 953321213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312123359 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312173359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156061679 + 156061680.

It is an arithmetic number, because the mean of its divisors is an integer number (156061680).

Almost surely, 2^312123359 is an apocalyptic number.

312123359 is a deficient number, since it is larger than the sum of its proper divisors (1).

312123359 is an equidigital number, since it uses as much as digits as its factorization.

312123359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 29.

The square root of 312123359 is about 17667.0133016308. The cubic root of 312123359 is about 678.3316649555.

The spelling of 312123359 in words is "three hundred twelve million, one hundred twenty-three thousand, three hundred fifty-nine".