431323404223 has 4 divisors (see below), whose sum is σ = 431325832600. Its totient is φ = 431320975848.

The previous prime is 431323404221. The next prime is 431323404251. The reversal of 431323404223 is 322404323134.

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 431323404223 - 2¹ = 431323404221 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 (431323404221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924765 + ... + 1310662.

It is an arithmetic number, because the mean of its divisors is an integer number (107831458150).

Almost surely, 2^431323404223 is an apocalyptic number.

431323404223 is a deficient number, since it is larger than the sum of its proper divisors (2428377).

431323404223 is a wasteful number, since it uses less digits than its factorization.

431323404223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428376.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 431323404223 its reverse (322404323134), we get a palindrome (753727727357).

The spelling of 431323404223 in words is "four hundred thirty-one billion, three hundred twenty-three million, four hundred four thousand, two hundred twenty-three".