479817223 has 4 divisors (see below), whose sum is σ = 481331160. Its totient is φ = 478303288.

The previous prime is 479817187. The next prime is 479817227. The reversal of 479817223 is 322718974.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479817223 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 479817223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479817227) 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, 756493 + ... + 757126.

It is an arithmetic number, because the mean of its divisors is an integer number (120332790).

Almost surely, 2^479817223 is an apocalyptic number.

479817223 is a deficient number, since it is larger than the sum of its proper divisors (1513937).

479817223 is a wasteful number, since it uses less digits than its factorization.

479817223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513936.

The product of its digits is 169344, while the sum is 43.

The square root of 479817223 is about 21904.7306077934. The cubic root of 479817223 is about 782.8741339830.

The spelling of 479817223 in words is "four hundred seventy-nine million, eight hundred seventeen thousand, two hundred twenty-three".