243043234 has 24 divisors (see below), whose sum is σ = 426272220. Its totient is φ = 103624416.

The previous prime is 243043223. The next prime is 243043249. The reversal of 243043234 is 432340342.

It can be written as a sum of positive squares in 2 ways, for example, as 241709209 + 1334025 = 15547^2 + 1155^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243043199 and 243043208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13012 + ... + 25600.

Almost surely, 2^243043234 is an apocalyptic number.

243043234 is a deficient number, since it is larger than the sum of its proper divisors (183228986).

243043234 is a wasteful number, since it uses less digits than its factorization.

243043234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802 (or 12795 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 243043234 is about 15589.8439376409. The cubic root of 243043234 is about 624.0621530930.

Adding to 243043234 its reverse (432340342), we get a palindrome (675383576).

The spelling of 243043234 in words is "two hundred forty-three million, forty-three thousand, two hundred thirty-four".