870045323 has 12 divisors (see below), whose sum is σ = 1016341920. Its totient is φ = 742622832.

The previous prime is 870045299. The next prime is 870045331. The reversal of 870045323 is 323540078.

It is a happy number.

It is not a de Polignac number, because 870045323 - 2²⁸ = 601609867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 870045323.

It is not an unprimeable number, because it can be changed into a prime (870045383) 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 in 11 ways as a sum of consecutive naturals, for example, 25436 + ... + 48857.

It is an arithmetic number, because the mean of its divisors is an integer number (84695160).

Almost surely, 2^870045323 is an apocalyptic number.

870045323 is a deficient number, since it is larger than the sum of its proper divisors (146296597).

870045323 is a wasteful number, since it uses less digits than its factorization.

870045323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74546 (or 74539 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 870045323 is about 29496.5306943037. The cubic root of 870045323 is about 954.6568481045.

The spelling of 870045323 in words is "eight hundred seventy million, forty-five thousand, three hundred twenty-three".