450389223 has 24 divisors (see below), whose sum is σ = 667714320. Its totient is φ = 292371840.

The previous prime is 450389221. The next prime is 450389237. The reversal of 450389223 is 322983054.

450389223 is a `hidden beast` number, since 4 + 50 + 389 + 223 = 666.

It is not a de Polignac number, because 450389223 - 2¹ = 450389221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450389221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284448 + ... + 286026.

It is an arithmetic number, because the mean of its divisors is an integer number (27821430).

Almost surely, 2^450389223 is an apocalyptic number.

450389223 is a deficient number, since it is larger than the sum of its proper divisors (217325097).

450389223 is a wasteful number, since it uses less digits than its factorization.

450389223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2396 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 450389223 is about 21222.3755267878. The cubic root of 450389223 is about 766.5303059518.

The spelling of 450389223 in words is "four hundred fifty million, three hundred eighty-nine thousand, two hundred twenty-three".