434144423 has 4 divisors (see below), whose sum is σ = 434748960. Its totient is φ = 433539888.

The previous prime is 434144393. The next prime is 434144441. The reversal of 434144423 is 324441434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434144423 - 2²⁰ = 433095847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434144023) 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 in 3 ways as a sum of consecutive naturals, for example, 301190 + ... + 302627.

It is an arithmetic number, because the mean of its divisors is an integer number (108687240).

Almost surely, 2^434144423 is an apocalyptic number.

434144423 is a deficient number, since it is larger than the sum of its proper divisors (604537).

434144423 is an equidigital number, since it uses as much as digits as its factorization.

434144423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604536.

The product of its digits is 18432, while the sum is 29.

The square root of 434144423 is about 20836.1326306011. The cubic root of 434144423 is about 757.2014009708.

Adding to 434144423 its reverse (324441434), we get a palindrome (758585857).

The spelling of 434144423 in words is "four hundred thirty-four million, one hundred forty-four thousand, four hundred twenty-three".