453323431 has 4 divisors (see below), whose sum is σ = 494534664. Its totient is φ = 412112200.

The previous prime is 453323419. The next prime is 453323441. The reversal of 453323431 is 134323354.

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 453323431 - 2⁷ = 453323303 is a prime.

It is a super-2 number, since 2×453323431² = 411004266187223522, which contains 22 as substring.

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 453323431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453323441) 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, 20605600 + ... + 20605621.

It is an arithmetic number, because the mean of its divisors is an integer number (123633666).

Almost surely, 2^453323431 is an apocalyptic number.

453323431 is a deficient number, since it is larger than the sum of its proper divisors (41211233).

453323431 is a wasteful number, since it uses less digits than its factorization.

453323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41211232.

The product of its digits is 12960, while the sum is 28.

The square root of 453323431 is about 21291.3933550625. The cubic root of 453323431 is about 768.1913082938.

Adding to 453323431 its reverse (134323354), we get a palindrome (587646785).

The spelling of 453323431 in words is "four hundred fifty-three million, three hundred twenty-three thousand, four hundred thirty-one".