478423 has 16 divisors (see below), whose sum is σ = 571392. Its totient is φ = 396000.

The previous prime is 478421. The next prime is 478427. The reversal of 478423 is 324874.

It is not a de Polignac number, because 478423 - 2¹ = 478421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478391 and 478400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7813 + ... + 7873.

It is an arithmetic number, because the mean of its divisors is an integer number (35712).

2⁴⁷⁸⁴²³ is an apocalyptic number.

478423 is a deficient number, since it is larger than the sum of its proper divisors (92969).

478423 is a wasteful number, since it uses less digits than its factorization.

478423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126.

The product of its digits is 5376, while the sum is 28.

The square root of 478423 is about 691.6812849861. The cubic root of 478423 is about 78.2115122713.

The spelling of 478423 in words is "four hundred seventy-eight thousand, four hundred twenty-three".