43204231 has 12 divisors (see below), whose sum is σ = 50898720. Its totient is φ = 36560160.

The previous prime is 43204223. The next prime is 43204237. The reversal of 43204231 is 13240234.

It is not a de Polignac number, because 43204231 - 2³ = 43204223 is a prime.

It is a super-2 number, since 2×43204231² = 3733211152602722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43204199 and 43204208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43204237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1710 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (4241560).

Almost surely, 2^43204231 is an apocalyptic number.

43204231 is a deficient number, since it is larger than the sum of its proper divisors (7694489).

43204231 is a wasteful number, since it uses less digits than its factorization.

43204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11254 (or 11247 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 43204231 is about 6572.9925452567. The cubic root of 43204231 is about 350.8935833218.

Adding to 43204231 its reverse (13240234), we get a palindrome (56444465).

The spelling of 43204231 in words is "forty-three million, two hundred four thousand, two hundred thirty-one".