243001423110241 has 2 divisors, whose sum is σ = 243001423110242. Its totient is φ = 243001423110240.

The previous prime is 243001423110239. The next prime is 243001423110283. The reversal of 243001423110241 is 142011324100342.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177702336894016 + 65299086216225 = 13330504^2 + 8080785^2 .

It is a cyclic number.

It is not a de Polignac number, because 243001423110241 - 2¹ = 243001423110239 is a prime.

Together with 243001423110239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (243001423110221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121500711555120 + 121500711555121.

It is an arithmetic number, because the mean of its divisors is an integer number (121500711555121).

Almost surely, 2^{243001423110241} is an apocalyptic number.

It is an amenable number.

243001423110241 is a deficient number, since it is larger than the sum of its proper divisors (1).

243001423110241 is an equidigital number, since it uses as much as digits as its factorization.

243001423110241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 243001423110241 its reverse (142011324100342), we get a palindrome (385012747210583).

The spelling of 243001423110241 in words is "two hundred forty-three trillion, one billion, four hundred twenty-three million, one hundred ten thousand, two hundred forty-one".