450013323 has 4 divisors (see below), whose sum is σ = 600017768. Its totient is φ = 300008880.

The previous prime is 450013303. The next prime is 450013327. The reversal of 450013323 is 323310054.

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

It is not a de Polignac number, because 450013323 - 2²² = 445819019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450013323.

It is not an unprimeable number, because it can be changed into a prime (450013327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75002218 + ... + 75002223.

It is an arithmetic number, because the mean of its divisors is an integer number (150004442).

Almost surely, 2^450013323 is an apocalyptic number.

450013323 is a deficient number, since it is larger than the sum of its proper divisors (150004445).

450013323 is a wasteful number, since it uses less digits than its factorization.

450013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150004444.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 450013323 is about 21213.5174593937. The cubic root of 450013323 is about 766.3169949416.

Adding to 450013323 its reverse (323310054), we get a palindrome (773323377).

The spelling of 450013323 in words is "four hundred fifty million, thirteen thousand, three hundred twenty-three".