243324540233 has 16 divisors (see below), whose sum is σ = 262662549120. Its totient is φ = 224550233856.

The previous prime is 243324540197. The next prime is 243324540257. The reversal of 243324540233 is 332045423342.

243324540233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243324540233 - 2⁸ = 243324539977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243324540193 and 243324540202.

It is not an unprimeable number, because it can be changed into a prime (243324546233) 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 15 ways as a sum of consecutive naturals, for example, 1375316 + ... + 1542122.

It is an arithmetic number, because the mean of its divisors is an integer number (16416409320).

Almost surely, 2^243324540233 is an apocalyptic number.

It is an amenable number.

243324540233 is a deficient number, since it is larger than the sum of its proper divisors (19338008887).

243324540233 is a wasteful number, since it uses less digits than its factorization.

243324540233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168496.

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 243324540233 its reverse (332045423342), we get a palindrome (575369963575).

The spelling of 243324540233 in words is "two hundred forty-three billion, three hundred twenty-four million, five hundred forty thousand, two hundred thirty-three".