434144023 has 2 divisors, whose sum is σ = 434144024. Its totient is φ = 434144022.

The previous prime is 434143999. The next prime is 434144027. The reversal of 434144023 is 320441434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434144023 - 2⁵ = 434143991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434144027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217072011 + 217072012.

It is an arithmetic number, because the mean of its divisors is an integer number (217072012).

Almost surely, 2^434144023 is an apocalyptic number.

434144023 is a deficient number, since it is larger than the sum of its proper divisors (1).

434144023 is an equidigital number, since it uses as much as digits as its factorization.

434144023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 434144023 is about 20836.1230318886. The cubic root of 434144023 is about 757.2011684209.

Adding to 434144023 its reverse (320441434), we get a palindrome (754585457).

The spelling of 434144023 in words is "four hundred thirty-four million, one hundred forty-four thousand, twenty-three".