478223 has 4 divisors (see below), whose sum is σ = 484848. Its totient is φ = 471600.

The previous prime is 478213. The next prime is 478241. The reversal of 478223 is 322874.

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 478223 - 2⁴ = 478207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478192 and 478201.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478223.

It is not an unprimeable number, because it can be changed into a prime (478213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (121212).

2⁴⁷⁸²²³ is an apocalyptic number.

478223 is a deficient number, since it is larger than the sum of its proper divisors (6625).

478223 is an equidigital number, since it uses as much as digits as its factorization.

478223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624.

The product of its digits is 2688, while the sum is 26.

The square root of 478223 is about 691.5366946157. The cubic root of 478223 is about 78.2006122361.

The spelling of 478223 in words is "four hundred seventy-eight thousand, two hundred twenty-three".