243332243 has 16 divisors (see below), whose sum is σ = 313839360. Its totient is φ = 183069600.

The previous prime is 243332209. The next prime is 243332251. The reversal of 243332243 is 342233342.

It is not a de Polignac number, because 243332243 - 2⁸ = 243331987 is a prime.

It is a super-2 number, since 2×243332243² = 118421160966822098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243332143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52253 + ... + 56718.

It is an arithmetic number, because the mean of its divisors is an integer number (19614960).

Almost surely, 2^243332243 is an apocalyptic number.

243332243 is a deficient number, since it is larger than the sum of its proper divisors (70507117).

243332243 is a wasteful number, since it uses less digits than its factorization.

243332243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109018.

The product of its digits is 10368, while the sum is 26.

The square root of 243332243 is about 15599.1103271949. The cubic root of 243332243 is about 624.3094179286.

Adding to 243332243 its reverse (342233342), we get a palindrome (585565585).

The spelling of 243332243 in words is "two hundred forty-three million, three hundred thirty-two thousand, two hundred forty-three".