431122223 has 8 divisors (see below), whose sum is σ = 497791392. Its totient is φ = 365723136.

The previous prime is 431122147. The next prime is 431122229. The reversal of 431122223 is 322221134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431122223 - 2¹⁶ = 431056687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 431122195 and 431122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431122229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316790 + ... + 318147.

It is an arithmetic number, because the mean of its divisors is an integer number (62223924).

Almost surely, 2^431122223 is an apocalyptic number.

431122223 is a deficient number, since it is larger than the sum of its proper divisors (66669169).

431122223 is an equidigital number, since it uses as much as digits as its factorization.

431122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635041.

The product of its digits is 576, while the sum is 20.

The square root of 431122223 is about 20763.4829207433. The cubic root of 431122223 is about 755.4402782661.

Adding to 431122223 its reverse (322221134), we get a palindrome (753343357).

The spelling of 431122223 in words is "four hundred thirty-one million, one hundred twenty-two thousand, two hundred twenty-three".