505353532324423 has 4 divisors (see below), whose sum is σ = 505354029047560. Its totient is φ = 505353035601288.

The previous prime is 505353532324349. The next prime is 505353532324429. The reversal of 505353532324423 is 324423235353505.

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 505353532324423 - 2¹⁷ = 505353532193351 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 (505353532324429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246832368 + ... + 248871301.

It is an arithmetic number, because the mean of its divisors is an integer number (126338507261890).

Almost surely, 2^{505353532324423} is an apocalyptic number.

505353532324423 is a deficient number, since it is larger than the sum of its proper divisors (496723137).

505353532324423 is a wasteful number, since it uses less digits than its factorization.

505353532324423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496723136.

The product of its (nonzero) digits is 19440000, while the sum is 49.

Adding to 505353532324423 its reverse (324423235353505), we get a palindrome (829776767677928).

The spelling of 505353532324423 in words is "five hundred five trillion, three hundred fifty-three billion, five hundred thirty-two million, three hundred twenty-four thousand, four hundred twenty-three".