450631532323 has 4 divisors (see below), whose sum is σ = 515007465520. Its totient is φ = 386255599128.

The previous prime is 450631532317. The next prime is 450631532347. The reversal of 450631532323 is 323235136054.

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

It is not a de Polignac number, because 450631532323 - 2²¹ = 450629435171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450631532123) 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, 32187966588 + ... + 32187966601.

It is an arithmetic number, because the mean of its divisors is an integer number (128751866380).

Almost surely, 2^450631532323 is an apocalyptic number.

450631532323 is a deficient number, since it is larger than the sum of its proper divisors (64375933197).

450631532323 is an equidigital number, since it uses as much as digits as its factorization.

450631532323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64375933196.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 450631532323 its reverse (323235136054), we get a palindrome (773866668377).

The spelling of 450631532323 in words is "four hundred fifty billion, six hundred thirty-one million, five hundred thirty-two thousand, three hundred twenty-three".