453423 has 4 divisors (see below), whose sum is σ = 604568. Its totient is φ = 302280.

The previous prime is 453421. The next prime is 453451. The reversal of 453423 is 324354.

It is a happy number.

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

It is not a de Polignac number, because 453423 - 2¹ = 453421 is a prime.

It is a d-powerful number, because it can be written as 4⁵ + 5³ + 4⁹ + 3² + 2¹⁷ + 3¹⁰ .

It is a D-number.

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 453423.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 453423.

It is not an unprimeable number, because it can be changed into a prime (453421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75568 + ... + 75573.

It is an arithmetic number, because the mean of its divisors is an integer number (151142).

2⁴⁵³⁴²³ is an apocalyptic number.

453423 is a deficient number, since it is larger than the sum of its proper divisors (151145).

453423 is a wasteful number, since it uses less digits than its factorization.

453423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151144.

The product of its digits is 1440, while the sum is 21.

The square root of 453423 is about 673.3669133541. The cubic root of 453423 is about 76.8247546611.

Adding to 453423 its reverse (324354), we get a palindrome (777777).

The spelling of 453423 in words is "four hundred fifty-three thousand, four hundred twenty-three".