434423147 has 2 divisors, whose sum is σ = 434423148. Its totient is φ = 434423146.

The previous prime is 434423123. The next prime is 434423153. The reversal of 434423147 is 741324434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434423147 - 2¹⁰ = 434422123 is a prime.

It is not a weakly prime, because it can be changed into another prime (434423107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217211573 + 217211574.

It is an arithmetic number, because the mean of its divisors is an integer number (217211574).

Almost surely, 2^434423147 is an apocalyptic number.

434423147 is a deficient number, since it is larger than the sum of its proper divisors (1).

434423147 is an equidigital number, since it uses as much as digits as its factorization.

434423147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 32.

The square root of 434423147 is about 20842.8200347266. The cubic root of 434423147 is about 757.3634093125.

The spelling of 434423147 in words is "four hundred thirty-four million, four hundred twenty-three thousand, one hundred forty-seven".