243233242562329 has 2 divisors, whose sum is σ = 243233242562330. Its totient is φ = 243233242562328.

The previous prime is 243233242562291. The next prime is 243233242562377. The reversal of 243233242562329 is 923265242332342.

243233242562329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240140737425625 + 3092505136704 = 15496475^2 + 1758552^2 .

It is a cyclic number.

It is not a de Polignac number, because 243233242562329 - 2¹⁹ = 243233242038041 is a prime.

It is not a weakly prime, because it can be changed into another prime (243233242562729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121616621281164 + 121616621281165.

It is an arithmetic number, because the mean of its divisors is an integer number (121616621281165).

Almost surely, 2^{243233242562329} is an apocalyptic number.

It is an amenable number.

243233242562329 is a deficient number, since it is larger than the sum of its proper divisors (1).

243233242562329 is an equidigital number, since it uses as much as digits as its factorization.

243233242562329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 52.

The spelling of 243233242562329 in words is "two hundred forty-three trillion, two hundred thirty-three billion, two hundred forty-two million, five hundred sixty-two thousand, three hundred twenty-nine".