34423429 has 2 divisors, whose sum is σ = 34423430. Its totient is φ = 34423428.

The previous prime is 34423397. The next prime is 34423451. The reversal of 34423429 is 92432443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 492804 = 5825^2 + 702^2 .

It is an emirp because it is prime and its reverse (92432443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34423429 - 2⁵ = 34423397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34423429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34423469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17211714 + 17211715.

It is an arithmetic number, because the mean of its divisors is an integer number (17211715).

Almost surely, 2^34423429 is an apocalyptic number.

It is an amenable number.

34423429 is a deficient number, since it is larger than the sum of its proper divisors (1).

34423429 is an equidigital number, since it uses as much as digits as its factorization.

34423429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 34423429 is about 5867.1482851552. The cubic root of 34423429 is about 325.3004842268.

The spelling of 34423429 in words is "thirty-four million, four hundred twenty-three thousand, four hundred twenty-nine".