450923 has 4 divisors (see below), whose sum is σ = 491928. Its totient is φ = 409920.

The previous prime is 450917. The next prime is 450929. The reversal of 450923 is 329054.

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

It is an interprime number because it is at equal distance from previous prime (450917) and next prime (450929).

It is a cyclic number.

It is not a de Polignac number, because 450923 - 2⁶ = 450859 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20486 + ... + 20507.

It is an arithmetic number, because the mean of its divisors is an integer number (122982).

2⁴⁵⁰⁹²³ is an apocalyptic number.

450923 is a deficient number, since it is larger than the sum of its proper divisors (41005).

450923 is a wasteful number, since it uses less digits than its factorization.

450923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41004.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 450923 is about 671.5080044199. The cubic root of 450923 is about 76.6833003186.

Adding to 450923 its reverse (329054), we get a palindrome (779977).

The spelling of 450923 in words is "four hundred fifty thousand, nine hundred twenty-three".