243033420341 has 2 divisors, whose sum is σ = 243033420342. Its totient is φ = 243033420340.

The previous prime is 243033420323. The next prime is 243033420353. The reversal of 243033420341 is 143024330342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204331120900 + 38702299441 = 452030^2 + 196729^2 .

It is a cyclic number.

It is not a de Polignac number, because 243033420341 - 2³⁰ = 241959678517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243033420541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121516710170 + 121516710171.

It is an arithmetic number, because the mean of its divisors is an integer number (121516710171).

Almost surely, 2^243033420341 is an apocalyptic number.

It is an amenable number.

243033420341 is a deficient number, since it is larger than the sum of its proper divisors (1).

243033420341 is an equidigital number, since it uses as much as digits as its factorization.

243033420341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 243033420341 its reverse (143024330342), we get a palindrome (386057750683).

The spelling of 243033420341 in words is "two hundred forty-three billion, thirty-three million, four hundred twenty thousand, three hundred forty-one".