450872023 has 4 divisors (see below), whose sum is σ = 515282320. Its totient is φ = 386461728.

The previous prime is 450871997. The next prime is 450872027. The reversal of 450872023 is 320278054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320278054 = 2 ⋅160139027.

It is a cyclic number.

It is not a de Polignac number, because 450872023 - 2⁵ = 450871991 is a prime.

It is a super-2 number, since 2×450872023² = 406571162248225058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450872027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32205138 + ... + 32205151.

It is an arithmetic number, because the mean of its divisors is an integer number (128820580).

Almost surely, 2^450872023 is an apocalyptic number.

450872023 is a deficient number, since it is larger than the sum of its proper divisors (64410297).

450872023 is an equidigital number, since it uses as much as digits as its factorization.

450872023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64410296.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 450872023 is about 21233.7472670276. The cubic root of 450872023 is about 766.8041051859.

The spelling of 450872023 in words is "four hundred fifty million, eight hundred seventy-two thousand, twenty-three".