434344243 has 2 divisors, whose sum is σ = 434344244. Its totient is φ = 434344242.

The previous prime is 434344231. The next prime is 434344277. The reversal of 434344243 is 342443434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434344243 - 2²¹ = 432247091 is a prime.

It is not a weakly prime, because it can be changed into another prime (434344643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217172121 + 217172122.

It is an arithmetic number, because the mean of its divisors is an integer number (217172122).

Almost surely, 2^434344243 is an apocalyptic number.

434344243 is a deficient number, since it is larger than the sum of its proper divisors (1).

434344243 is an equidigital number, since it uses as much as digits as its factorization.

434344243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 31.

The square root of 434344243 is about 20840.9271146943. The cubic root of 434344243 is about 757.3175533913.

Adding to 434344243 its reverse (342443434), we get a palindrome (776787677).

The spelling of 434344243 in words is "four hundred thirty-four million, three hundred forty-four thousand, two hundred forty-three".