264823 has 6 divisors (see below), whose sum is σ = 286944. Its totient is φ = 244296.

The previous prime is 264811. The next prime is 264827. The reversal of 264823 is 328462.

It is a happy number.

It is not a de Polignac number, because 264823 - 2⁵ = 264791 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6 + 8³ + 4⁹ + 2¹¹ + 3⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264827) 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, 615 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (47824).

2²⁶⁴⁸²³ is an apocalyptic number.

264823 is a deficient number, since it is larger than the sum of its proper divisors (22121).

264823 is a wasteful number, since it uses less digits than its factorization.

264823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1580 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 264823 is about 514.6095607351. The cubic root of 264823 is about 64.2172790840.

The spelling of 264823 in words is "two hundred sixty-four thousand, eight hundred twenty-three".