434223239 has 2 divisors, whose sum is σ = 434223240. Its totient is φ = 434223238.

The previous prime is 434223151. The next prime is 434223247. The reversal of 434223239 is 932322434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434223239 - 2¹² = 434219143 is a prime.

It is a super-2 number, since 2×434223239² = 377099642575302242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434223289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217111619 + 217111620.

It is an arithmetic number, because the mean of its divisors is an integer number (217111620).

Almost surely, 2^434223239 is an apocalyptic number.

434223239 is a deficient number, since it is larger than the sum of its proper divisors (1).

434223239 is an equidigital number, since it uses as much as digits as its factorization.

434223239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 32.

The square root of 434223239 is about 20838.0238746384. The cubic root of 434223239 is about 757.2472198054.

The spelling of 434223239 in words is "four hundred thirty-four million, two hundred twenty-three thousand, two hundred thirty-nine".