312256136414023 has 4 divisors (see below), whose sum is σ = 312257576654368. Its totient is φ = 312254696173680.

The previous prime is 312256136413919. The next prime is 312256136414051. The reversal of 312256136414023 is 320414631652213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312256136414023 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 (312256136412023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719794911 + ... + 720228592.

It is an arithmetic number, because the mean of its divisors is an integer number (78064394163592).

Almost surely, 2^{312256136414023} is an apocalyptic number.

312256136414023 is a deficient number, since it is larger than the sum of its proper divisors (1440240345).

312256136414023 is a wasteful number, since it uses less digits than its factorization.

312256136414023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440240344.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 312256136414023 in words is "three hundred twelve trillion, two hundred fifty-six billion, one hundred thirty-six million, four hundred fourteen thousand, twenty-three".