431044223 has 4 divisors (see below), whose sum is σ = 434438400. Its totient is φ = 427650048.

The previous prime is 431044213. The next prime is 431044247. The reversal of 431044223 is 322440134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431044223 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 (431044213) 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, 1696898 + ... + 1697151.

It is an arithmetic number, because the mean of its divisors is an integer number (108609600).

Almost surely, 2^431044223 is an apocalyptic number.

431044223 is a deficient number, since it is larger than the sum of its proper divisors (3394177).

431044223 is a wasteful number, since it uses less digits than its factorization.

431044223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394176.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 431044223 is about 20761.6045381854. The cubic root of 431044223 is about 755.3947166345.

Adding to 431044223 its reverse (322440134), we get a palindrome (753484357).

The spelling of 431044223 in words is "four hundred thirty-one million, forty-four thousand, two hundred twenty-three".