232234209 has 20 divisors (see below), whose sum is σ = 355384260. Its totient is φ = 151044480.

The previous prime is 232234193. The next prime is 232234241. The reversal of 232234209 is 902432232.

232234209 is a `hidden beast` number, since 232 + 2 + 3 + 420 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7683984 + 224550225 = 2772^2 + 14985^2 .

It is not a de Polignac number, because 232234209 - 2⁴ = 232234193 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (232239209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31644 + ... + 38285.

It is an arithmetic number, because the mean of its divisors is an integer number (17769213).

Almost surely, 2^232234209 is an apocalyptic number.

It is an amenable number.

232234209 is a deficient number, since it is larger than the sum of its proper divisors (123150051).

232234209 is an equidigital number, since it uses as much as digits as its factorization.

232234209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69982 (or 69973 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 232234209 is about 15239.2325594172. The cubic root of 232234209 is about 614.6700669327.

The spelling of 232234209 in words is "two hundred thirty-two million, two hundred thirty-four thousand, two hundred nine".