434430343 has 2 divisors, whose sum is σ = 434430344. Its totient is φ = 434430342.

The previous prime is 434430323. The next prime is 434430361. The reversal of 434430343 is 343034434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434430343 - 2¹³ = 434422151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434430323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217215171 + 217215172.

It is an arithmetic number, because the mean of its divisors is an integer number (217215172).

Almost surely, 2^434430343 is an apocalyptic number.

434430343 is a deficient number, since it is larger than the sum of its proper divisors (1).

434430343 is an equidigital number, since it uses as much as digits as its factorization.

434430343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 28.

The square root of 434430343 is about 20842.9926594047. The cubic root of 434430343 is about 757.3675910702.

Adding to 434430343 its reverse (343034434), we get a palindrome (777464777).

The spelling of 434430343 in words is "four hundred thirty-four million, four hundred thirty thousand, three hundred forty-three".