243433043 has 16 divisors (see below), whose sum is σ = 285325824. Its totient is φ = 203385600.

The previous prime is 243433039. The next prime is 243433087. The reversal of 243433043 is 340334342.

It is a cyclic number.

It is not a de Polignac number, because 243433043 - 2² = 243433039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243433093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42818 + ... + 48168.

It is an arithmetic number, because the mean of its divisors is an integer number (17832864).

Almost surely, 2^243433043 is an apocalyptic number.

243433043 is a deficient number, since it is larger than the sum of its proper divisors (41892781).

243433043 is an equidigital number, since it uses as much as digits as its factorization.

243433043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522.

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

The square root of 243433043 is about 15602.3409461529. The cubic root of 243433043 is about 624.3956124268.

Adding to 243433043 its reverse (340334342), we get a palindrome (583767385).

The spelling of 243433043 in words is "two hundred forty-three million, four hundred thirty-three thousand, forty-three".