243423330011 has 2 divisors, whose sum is σ = 243423330012. Its totient is φ = 243423330010.

The previous prime is 243423330001. The next prime is 243423330019. The reversal of 243423330011 is 110033324342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243423330011 is a prime.

It is not a weakly prime, because it can be changed into another prime (243423330019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121711665005 + 121711665006.

It is an arithmetic number, because the mean of its divisors is an integer number (121711665006).

Almost surely, 2^243423330011 is an apocalyptic number.

243423330011 is a deficient number, since it is larger than the sum of its proper divisors (1).

243423330011 is an equidigital number, since it uses as much as digits as its factorization.

243423330011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 243423330011 its reverse (110033324342), we get a palindrome (353456654353).

The spelling of 243423330011 in words is "two hundred forty-three billion, four hundred twenty-three million, three hundred thirty thousand, eleven".