434423331 has 20 divisors (see below), whose sum is σ = 664786584. Its totient is φ = 282549600.

The previous prime is 434423323. The next prime is 434423347. The reversal of 434423331 is 133324434.

It is not a de Polignac number, because 434423331 - 2³ = 434423323 is a prime.

It is a super-2 number, since 2×434423331² = 377447261034271122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 434423295 and 434423304.

It is not an unprimeable number, because it can be changed into a prime (434421331) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62085 + ... + 68726.

Almost surely, 2^434423331 is an apocalyptic number.

434423331 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

434423331 is a deficient number, since it is larger than the sum of its proper divisors (230363253).

434423331 is a wasteful number, since it uses less digits than its factorization.

434423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130864 (or 130855 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 434423331 is about 20842.8244487162. The cubic root of 434423331 is about 757.3635162396.

Adding to 434423331 its reverse (133324434), we get a palindrome (567747765).

The spelling of 434423331 in words is "four hundred thirty-four million, four hundred twenty-three thousand, three hundred thirty-one".