455923 has 8 divisors (see below), whose sum is σ = 520128. Its totient is φ = 395904.

The previous prime is 455921. The next prime is 455933. The reversal of 455923 is 329554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 455923 - 2¹ = 455921 is a prime.

It is a Duffinian number.

455923 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 455891 and 455900.

It is not an unprimeable number, because it can be changed into a prime (455921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (65016).

2⁴⁵⁵⁹²³ is an apocalyptic number.

455923 is a deficient number, since it is larger than the sum of its proper divisors (64205).

455923 is a wasteful number, since it uses less digits than its factorization.

455923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its digits is 5400, while the sum is 28.

The square root of 455923 is about 675.2207046589. The cubic root of 455923 is about 76.9656900047.

It can be divided in two parts, 455 and 923, that added together give a triangular number (1378 = T₅₂).

The spelling of 455923 in words is "four hundred fifty-five thousand, nine hundred twenty-three".