41243000243 has 2 divisors, whose sum is σ = 41243000244. Its totient is φ = 41243000242.

The previous prime is 41243000213. The next prime is 41243000257. The reversal of 41243000243 is 34200034214.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41243000243 is a prime.

It is not a weakly prime, because it can be changed into another prime (41243000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20621500121 + 20621500122.

It is an arithmetic number, because the mean of its divisors is an integer number (20621500122).

Almost surely, 2^41243000243 is an apocalyptic number.

41243000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

41243000243 is an equidigital number, since it uses as much as digits as its factorization.

41243000243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 41243000243 its reverse (34200034214), we get a palindrome (75443034457).

The spelling of 41243000243 in words is "forty-one billion, two hundred forty-three million, two hundred forty-three", and thus it is an aban number.