455823 has 6 divisors (see below), whose sum is σ = 658424. Its totient is φ = 303876.

The previous prime is 455809. The next prime is 455827. The reversal of 455823 is 328554.

It is not a de Polignac number, because 455823 - 2¹⁰ = 454799 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 5 + 8⁴ + 5⁸ + 2¹⁰ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455827) 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, 25315 + ... + 25332.

2⁴⁵⁵⁸²³ is an apocalyptic number.

455823 is a deficient number, since it is larger than the sum of its proper divisors (202601).

455823 is a wasteful number, since it uses less digits than its factorization.

455823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50653 (or 50650 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 455823 is about 675.1466507360. The cubic root of 455823 is about 76.9600624961.

The spelling of 455823 in words is "four hundred fifty-five thousand, eight hundred twenty-three".