845823 has 24 divisors (see below), whose sum is σ = 1316736. Its totient is φ = 478800.

The previous prime is 845809. The next prime is 845833. The reversal of 845823 is 328548.

It is not a de Polignac number, because 845823 - 2⁸ = 845567 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11878 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (54864).

2⁸⁴⁵⁸²³ is an apocalyptic number.

845823 is a deficient number, since it is larger than the sum of its proper divisors (470913).

845823 is a wasteful number, since it uses less digits than its factorization.

845823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 104 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 845823 is about 919.6863595814. The cubic root of 845823 is about 94.5714026020.

The spelling of 845823 in words is "eight hundred forty-five thousand, eight hundred twenty-three".