243232434017 has 2 divisors, whose sum is σ = 243232434018. Its totient is φ = 243232434016.

The previous prime is 243232433963. The next prime is 243232434091. The reversal of 243232434017 is 710434232342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150748933696 + 92483500321 = 388264^2 + 304111^2 .

It is a cyclic number.

It is not a de Polignac number, because 243232434017 - 2⁶ = 243232433953 is a prime.

It is not a weakly prime, because it can be changed into another prime (243232434517) 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, 121616217008 + 121616217009.

It is an arithmetic number, because the mean of its divisors is an integer number (121616217009).

Almost surely, 2^243232434017 is an apocalyptic number.

It is an amenable number.

243232434017 is a deficient number, since it is larger than the sum of its proper divisors (1).

243232434017 is an equidigital number, since it uses as much as digits as its factorization.

243232434017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 243232434017 its reverse (710434232342), we get a palindrome (953666666359).

The spelling of 243232434017 in words is "two hundred forty-three billion, two hundred thirty-two million, four hundred thirty-four thousand, seventeen".