243234212 has 24 divisors (see below), whose sum is σ = 468160896. Its totient is φ = 109872288.

The previous prime is 243234209. The next prime is 243234217. The reversal of 243234212 is 212432342.

It is not an unprimeable number, because it can be changed into a prime (243234217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47318 + ... + 52205.

It is an arithmetic number, because the mean of its divisors is an integer number (19506704).

Almost surely, 2^243234212 is an apocalyptic number.

It is an amenable number.

243234212 is a deficient number, since it is larger than the sum of its proper divisors (224926684).

243234212 is a wasteful number, since it uses less digits than its factorization.

243234212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99587 (or 99585 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 243234212 is about 15595.9678122263. The cubic root of 243234212 is about 624.2255683787.

Adding to 243234212 its reverse (212432342), we get a palindrome (455666554).

The spelling of 243234212 in words is "two hundred forty-three million, two hundred thirty-four thousand, two hundred twelve".