870458317923 has 16 divisors (see below), whose sum is σ = 1169066272640. Its totient is φ = 576078708096.

The previous prime is 870458317913. The next prime is 870458317957. The reversal of 870458317923 is 329713854078.

It is not a de Polignac number, because 870458317923 - 2⁴ = 870458317907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870458317903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4843611 + ... + 5020107.

It is an arithmetic number, because the mean of its divisors is an integer number (73066642040).

Almost surely, 2^870458317923 is an apocalyptic number.

870458317923 is a deficient number, since it is larger than the sum of its proper divisors (298607954717).

870458317923 is a wasteful number, since it uses less digits than its factorization.

870458317923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188466.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 870458317923 in words is "eight hundred seventy billion, four hundred fifty-eight million, three hundred seventeen thousand, nine hundred twenty-three".