243410140117 has 2 divisors, whose sum is σ = 243410140118. Its totient is φ = 243410140116.

The previous prime is 243410140111. The next prime is 243410140123. The reversal of 243410140117 is 711041014342.

It is a balanced prime because it is at equal distance from previous prime (243410140111) and next prime (243410140123).

It can be written as a sum of positive squares in only one way, i.e., 189752587236 + 53657552881 = 435606^2 + 231641^2 .

It is a cyclic number.

It is not a de Polignac number, because 243410140117 - 2¹⁹ = 243409615829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243410140111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121705070058 + 121705070059.

It is an arithmetic number, because the mean of its divisors is an integer number (121705070059).

Almost surely, 2^243410140117 is an apocalyptic number.

It is an amenable number.

243410140117 is a deficient number, since it is larger than the sum of its proper divisors (1).

243410140117 is an equidigital number, since it uses as much as digits as its factorization.

243410140117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 243410140117 its reverse (711041014342), we get a palindrome (954451154459).

The spelling of 243410140117 in words is "two hundred forty-three billion, four hundred ten million, one hundred forty thousand, one hundred seventeen".