856110623 has 6 divisors (see below), whose sum is σ = 893479272. Its totient is φ = 818754200.

The previous prime is 856110587. The next prime is 856110631. The reversal of 856110623 is 326011658.

It is a happy number.

It is not a de Polignac number, because 856110623 - 2¹⁶ = 856045087 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 856110623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856110823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137273 + ... + 143373.

It is an arithmetic number, because the mean of its divisors is an integer number (148913212).

Almost surely, 2^856110623 is an apocalyptic number.

856110623 is a deficient number, since it is larger than the sum of its proper divisors (37368649).

856110623 is an frugal number, since it uses more digits than its factorization.

856110623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225 (or 6124 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 856110623 is about 29259.3681237309. The cubic root of 856110623 is about 949.5327796719.

The spelling of 856110623 in words is "eight hundred fifty-six million, one hundred ten thousand, six hundred twenty-three".