845923 has 4 divisors (see below), whose sum is σ = 911008. Its totient is φ = 780840.

The previous prime is 845921. The next prime is 845927. The reversal of 845923 is 329548.

845923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 845923 - 2¹ = 845921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845921) 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, 32523 + ... + 32548.

It is an arithmetic number, because the mean of its divisors is an integer number (227752).

2⁸⁴⁵⁹²³ is an apocalyptic number.

845923 is a deficient number, since it is larger than the sum of its proper divisors (65085).

845923 is a wasteful number, since it uses less digits than its factorization.

845923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65084.

The product of its digits is 8640, while the sum is 31.

The square root of 845923 is about 919.7407243349. The cubic root of 845923 is about 94.5751294525.

The spelling of 845923 in words is "eight hundred forty-five thousand, nine hundred twenty-three".