450473223 has 16 divisors (see below), whose sum is σ = 633236480. Its totient is φ = 284062464.

The previous prime is 450473207. The next prime is 450473249. The reversal of 450473223 is 322374054.

It is not a de Polignac number, because 450473223 - 2⁴ = 450473207 is a prime.

It is a super-2 number, since 2×450473223² = 405852249280015458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450473263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32490 + ... + 44232.

It is an arithmetic number, because the mean of its divisors is an integer number (39577280).

Almost surely, 2^450473223 is an apocalyptic number.

450473223 is a deficient number, since it is larger than the sum of its proper divisors (182763257).

450473223 is a wasteful number, since it uses less digits than its factorization.

450473223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 450473223 is about 21224.3544778163. The cubic root of 450473223 is about 766.5779569907.

The spelling of 450473223 in words is "four hundred fifty million, four hundred seventy-three thousand, two hundred twenty-three".