454473823 has 4 divisors (see below), whose sum is σ = 454954680. Its totient is φ = 453992968.

The previous prime is 454473821. The next prime is 454473839. The reversal of 454473823 is 328374454.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 454473823 - 2¹ = 454473821 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 (454473821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239008 + ... + 240901.

It is an arithmetic number, because the mean of its divisors is an integer number (113738670).

Almost surely, 2^454473823 is an apocalyptic number.

454473823 is a deficient number, since it is larger than the sum of its proper divisors (480857).

454473823 is an equidigital number, since it uses as much as digits as its factorization.

454473823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480856.

The product of its digits is 322560, while the sum is 40.

The square root of 454473823 is about 21318.3916607234. The cubic root of 454473823 is about 768.8405685438.

The spelling of 454473823 in words is "four hundred fifty-four million, four hundred seventy-three thousand, eight hundred twenty-three".