43230409 has 12 divisors (see below), whose sum is σ = 45868032. Its totient is φ = 40733000.

The previous prime is 43230401. The next prime is 43230427. The reversal of 43230409 is 90403234.

It is not a de Polignac number, because 43230409 - 2³ = 43230401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43230401) 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, 36984 + ... + 38134.

It is an arithmetic number, because the mean of its divisors is an integer number (3822336).

Almost surely, 2^43230409 is an apocalyptic number.

It is an amenable number.

43230409 is a deficient number, since it is larger than the sum of its proper divisors (2637623).

43230409 is a wasteful number, since it uses less digits than its factorization.

43230409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 43230409 is about 6574.9835741240. The cubic root of 43230409 is about 350.9644393267.

The spelling of 43230409 in words is "forty-three million, two hundred thirty thousand, four hundred nine".