434423144 has 32 divisors (see below), whose sum is σ = 858600000. Its totient is φ = 205494912.

The previous prime is 434423123. The next prime is 434423147. The reversal of 434423144 is 441324434.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (434423147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143357 + ... + 146355.

It is an arithmetic number, because the mean of its divisors is an integer number (26831250).

Almost surely, 2^434423144 is an apocalyptic number.

It is an amenable number.

434423144 is a deficient number, since it is larger than the sum of its proper divisors (424176856).

434423144 is a wasteful number, since it uses less digits than its factorization.

434423144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3973 counting only the distinct ones).

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

The square root of 434423144 is about 20842.8199627594. The cubic root of 434423144 is about 757.3634075691.

Adding to 434423144 its reverse (441324434), we get a palindrome (875747578).

The spelling of 434423144 in words is "four hundred thirty-four million, four hundred twenty-three thousand, one hundred forty-four".