434243231 has 4 divisors (see below), whose sum is σ = 434296200. Its totient is φ = 434190264.

The previous prime is 434243207. The next prime is 434243237. The reversal of 434243231 is 132342434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 434243231 - 2²⁶ = 367134367 is a prime.

It is a super-2 number, since 2×434243231² = 377134367338638722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434243231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434243237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11276 + ... + 31553.

It is an arithmetic number, because the mean of its divisors is an integer number (108574050).

Almost surely, 2^434243231 is an apocalyptic number.

434243231 is a deficient number, since it is larger than the sum of its proper divisors (52969).

434243231 is a wasteful number, since it uses less digits than its factorization.

434243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52968.

The product of its digits is 6912, while the sum is 26.

The square root of 434243231 is about 20838.5035691146. The cubic root of 434243231 is about 757.2588410582.

Adding to 434243231 its reverse (132342434), we get a palindrome (566585665).

The spelling of 434243231 in words is "four hundred thirty-four million, two hundred forty-three thousand, two hundred thirty-one".