450256223 has 4 divisors (see below), whose sum is σ = 450311928. Its totient is φ = 450200520.

The previous prime is 450256181. The next prime is 450256229. The reversal of 450256223 is 322652054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450256223 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 (450256229) 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, 13136 + ... + 32757.

It is an arithmetic number, because the mean of its divisors is an integer number (112577982).

Almost surely, 2^450256223 is an apocalyptic number.

450256223 is a deficient number, since it is larger than the sum of its proper divisors (55705).

450256223 is an equidigital number, since it uses as much as digits as its factorization.

450256223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55704.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 450256223 is about 21219.2418102061. The cubic root of 450256223 is about 766.4548463550.

The spelling of 450256223 in words is "four hundred fifty million, two hundred fifty-six thousand, two hundred twenty-three".