479423 has 4 divisors (see below), whose sum is σ = 547920. Its totient is φ = 410928.

The previous prime is 479419. The next prime is 479429. The reversal of 479423 is 324974.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 479423 - 2² = 479419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479429) 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, 34238 + ... + 34251.

It is an arithmetic number, because the mean of its divisors is an integer number (136980).

2⁴⁷⁹⁴²³ is an apocalyptic number.

479423 is a deficient number, since it is larger than the sum of its proper divisors (68497).

479423 is an equidigital number, since it uses as much as digits as its factorization.

479423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68496.

The product of its digits is 6048, while the sum is 29.

The square root of 479423 is about 692.4037839296. The cubic root of 479423 is about 78.2659669296.

Subtracting from 479423 its reverse (324974), we obtain a square (154449 = 393²).

The spelling of 479423 in words is "four hundred seventy-nine thousand, four hundred twenty-three".