475818223 has 4 divisors (see below), whose sum is σ = 475865208. Its totient is φ = 475771240.

The previous prime is 475818221. The next prime is 475818247. The reversal of 475818223 is 322818574.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 475818223 - 2¹ = 475818221 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 (475818221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336 + ... + 30877.

It is an arithmetic number, because the mean of its divisors is an integer number (118966302).

Almost surely, 2^475818223 is an apocalyptic number.

475818223 is a deficient number, since it is larger than the sum of its proper divisors (46985).

475818223 is a wasteful number, since it uses less digits than its factorization.

475818223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46984.

The product of its digits is 107520, while the sum is 40.

The square root of 475818223 is about 21813.2579639081. The cubic root of 475818223 is about 780.6931286801.

The spelling of 475818223 in words is "four hundred seventy-five million, eight hundred eighteen thousand, two hundred twenty-three".