450530223 has 64 divisors (see below), whose sum is σ = 767262720. Its totient is φ = 230947200.

The previous prime is 450530219. The next prime is 450530237. The reversal of 450530223 is 322035054.

It is not a de Polignac number, because 450530223 - 2² = 450530219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450530193 and 450530202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450530273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251790 + ... + 253572.

It is an arithmetic number, because the mean of its divisors is an integer number (11988480).

Almost surely, 2^450530223 is an apocalyptic number.

450530223 is a deficient number, since it is larger than the sum of its proper divisors (316732497).

450530223 is a wasteful number, since it uses less digits than its factorization.

450530223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 450530223 is about 21225.6972323644. The cubic root of 450530223 is about 766.6102882508.

Adding to 450530223 its reverse (322035054), we get a palindrome (772565277).

The spelling of 450530223 in words is "four hundred fifty million, five hundred thirty thousand, two hundred twenty-three".