453321231 has 32 divisors (see below), whose sum is σ = 670146048. Its totient is φ = 270291840.

The previous prime is 453321227. The next prime is 453321257. The reversal of 453321231 is 132123354.

It is not a de Polignac number, because 453321231 - 2² = 453321227 is a prime.

It is a super-2 number, since 2×453321231² = 411000276950710722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453321331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669265 + ... + 669941.

It is an arithmetic number, because the mean of its divisors is an integer number (20942064).

Almost surely, 2^453321231 is an apocalyptic number.

453321231 is a deficient number, since it is larger than the sum of its proper divisors (216824817).

453321231 is a wasteful number, since it uses less digits than its factorization.

453321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its digits is 2160, while the sum is 24.

The square root of 453321231 is about 21291.3416909316. The cubic root of 453321231 is about 768.1900656022.

Adding to 453321231 its reverse (132123354), we get a palindrome (585444585).

The spelling of 453321231 in words is "four hundred fifty-three million, three hundred twenty-one thousand, two hundred thirty-one".