478923 has 8 divisors (see below), whose sum is σ = 642048. Its totient is φ = 317544.

The previous prime is 478913. The next prime is 478927. The reversal of 478923 is 329874.

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

It is not a de Polignac number, because 478923 - 2⁹ = 478411 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (478927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 1092.

It is an arithmetic number, because the mean of its divisors is an integer number (80256).

2⁴⁷⁸⁹²³ is an apocalyptic number.

478923 is a deficient number, since it is larger than the sum of its proper divisors (163125).

478923 is a wasteful number, since it uses less digits than its factorization.

478923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its digits is 12096, while the sum is 33.

The square root of 478923 is about 692.0426287448. The cubic root of 478923 is about 78.2387490756.

It can be divided in two parts, 47892 and 3, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 478923 in words is "four hundred seventy-eight thousand, nine hundred twenty-three".