450445723 has 16 divisors (see below), whose sum is σ = 556385536. Its totient is φ = 355116960.

The previous prime is 450445703. The next prime is 450445739. The reversal of 450445723 is 327544054.

It is a cyclic number.

It is not a de Polignac number, because 450445723 - 2⁵ = 450445691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450445703) 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, 17008 + ... + 34498.

It is an arithmetic number, because the mean of its divisors is an integer number (34774096).

Almost surely, 2^450445723 is an apocalyptic number.

450445723 is a deficient number, since it is larger than the sum of its proper divisors (105939813).

450445723 is a wasteful number, since it uses less digits than its factorization.

450445723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17794.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 450445723 is about 21223.7066272600. The cubic root of 450445723 is about 766.5623576005.

Adding to 450445723 its reverse (327544054), we get a palindrome (777989777).

The spelling of 450445723 in words is "four hundred fifty million, four hundred forty-five thousand, seven hundred twenty-three".