477923 has 4 divisors (see below), whose sum is σ = 480240. Its totient is φ = 475608.

The previous prime is 477913. The next prime is 477941. The reversal of 477923 is 329774.

It is a happy number.

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 477923 - 2¹⁶ = 412387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477923.

It is not an unprimeable number, because it can be changed into a prime (477913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815 + ... + 1272.

It is an arithmetic number, because the mean of its divisors is an integer number (120060).

2⁴⁷⁷⁹²³ is an apocalyptic number.

477923 is a deficient number, since it is larger than the sum of its proper divisors (2317).

477923 is a wasteful number, since it uses less digits than its factorization.

477923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316.

The product of its digits is 10584, while the sum is 32.

The square root of 477923 is about 691.3197523578. The cubic root of 477923 is about 78.1842564836.

The spelling of 477923 in words is "four hundred seventy-seven thousand, nine hundred twenty-three".