856299323 has 8 divisors (see below), whose sum is σ = 951770736. Its totient is φ = 763765600.

The previous prime is 856299319. The next prime is 856299337. The reversal of 856299323 is 323992658.

It is a happy number.

856299323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 856299323 - 2² = 856299319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856299343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733808 + ... + 734973.

It is an arithmetic number, because the mean of its divisors is an integer number (118971342).

Almost surely, 2^856299323 is an apocalyptic number.

856299323 is a deficient number, since it is larger than the sum of its proper divisors (95471413).

856299323 is a wasteful number, since it uses less digits than its factorization.

856299323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468845.

The product of its digits is 699840, while the sum is 47.

The square root of 856299323 is about 29262.5925543175. The cubic root of 856299323 is about 949.6025384421.

The spelling of 856299323 in words is "eight hundred fifty-six million, two hundred ninety-nine thousand, three hundred twenty-three".