856323318 has 8 divisors (see below), whose sum is σ = 1712646648. Its totient is φ = 285441104.

The previous prime is 856323317. The next prime is 856323319. The reversal of 856323318 is 813323658.

It is an interprime number because it is at equal distance from previous prime (856323317) and next prime (856323319).

It is a sphenic number, since it is the product of 3 distinct primes.

856323318 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856323317) 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, 71360271 + ... + 71360282.

It is an arithmetic number, because the mean of its divisors is an integer number (214080831).

Almost surely, 2^856323318 is an apocalyptic number.

856323318 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

856323318 is a wasteful number, since it uses less digits than its factorization.

856323318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142720558.

The product of its digits is 103680, while the sum is 39.

The square root of 856323318 is about 29263.0025458769. The cubic root of 856323318 is about 949.6114081989.

The spelling of 856323318 in words is "eight hundred fifty-six million, three hundred twenty-three thousand, three hundred eighteen".