243433532117 has 2 divisors, whose sum is σ = 243433532118. Its totient is φ = 243433532116.

The previous prime is 243433532063. The next prime is 243433532183. The reversal of 243433532117 is 711235334342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216940761361 + 26492770756 = 465769^2 + 162766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243433532117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243433532917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121716766058 + 121716766059.

It is an arithmetic number, because the mean of its divisors is an integer number (121716766059).

Almost surely, 2^243433532117 is an apocalyptic number.

It is an amenable number.

243433532117 is a deficient number, since it is larger than the sum of its proper divisors (1).

243433532117 is an equidigital number, since it uses as much as digits as its factorization.

243433532117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 38.

Adding to 243433532117 its reverse (711235334342), we get a palindrome (954668866459).

The spelling of 243433532117 in words is "two hundred forty-three billion, four hundred thirty-three million, five hundred thirty-two thousand, one hundred seventeen".