431334223 has 2 divisors, whose sum is σ = 431334224. Its totient is φ = 431334222.

The previous prime is 431334187. The next prime is 431334229. The reversal of 431334223 is 322433134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431334223 - 2¹⁷ = 431203151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431334229) 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 as a sum of consecutive naturals, namely, 215667111 + 215667112.

It is an arithmetic number, because the mean of its divisors is an integer number (215667112).

Almost surely, 2^431334223 is an apocalyptic number.

431334223 is a deficient number, since it is larger than the sum of its proper divisors (1).

431334223 is an equidigital number, since it uses as much as digits as its factorization.

431334223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 25.

The square root of 431334223 is about 20768.5874098360. The cubic root of 431334223 is about 755.5640846844.

Adding to 431334223 its reverse (322433134), we get a palindrome (753767357).

The spelling of 431334223 in words is "four hundred thirty-one million, three hundred thirty-four thousand, two hundred twenty-three".