243101043 has 12 divisors (see below), whose sum is σ = 356903248. Its totient is φ = 159410160.

The previous prime is 243101021. The next prime is 243101057. The reversal of 243101043 is 340101342.

It is not a de Polignac number, because 243101043 - 2⁸ = 243100787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243101083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220855 + ... + 221952.

Almost surely, 2^243101043 is an apocalyptic number.

243101043 is a deficient number, since it is larger than the sum of its proper divisors (113802205).

243101043 is a wasteful number, since it uses less digits than its factorization.

243101043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442874 (or 442871 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 243101043 is about 15591.6978870167. The cubic root of 243101043 is about 624.1116278970. Note that the first 3 decimals are identical.

Adding to 243101043 its reverse (340101342), we get a palindrome (583202385).

The spelling of 243101043 in words is "two hundred forty-three million, one hundred one thousand, forty-three".