243203248433 has 2 divisors, whose sum is σ = 243203248434. Its totient is φ = 243203248432.

The previous prime is 243203248403. The next prime is 243203248469. The reversal of 243203248433 is 334842302342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233939570929 + 9263677504 = 483673^2 + 96248^2 .

It is a cyclic number.

It is not a de Polignac number, because 243203248433 - 2⁸ = 243203248177 is a prime.

It is not a weakly prime, because it can be changed into another prime (243203248403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121601624216 + 121601624217.

It is an arithmetic number, because the mean of its divisors is an integer number (121601624217).

Almost surely, 2^243203248433 is an apocalyptic number.

It is an amenable number.

243203248433 is a deficient number, since it is larger than the sum of its proper divisors (1).

243203248433 is an equidigital number, since it uses as much as digits as its factorization.

243203248433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 38.

The spelling of 243203248433 in words is "two hundred forty-three billion, two hundred three million, two hundred forty-eight thousand, four hundred thirty-three".