243102112447 has 2 divisors, whose sum is σ = 243102112448. Its totient is φ = 243102112446.

The previous prime is 243102112321. The next prime is 243102112453. The reversal of 243102112447 is 744211201342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243102112447 - 2¹¹ = 243102110399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243102113447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121551056223 + 121551056224.

It is an arithmetic number, because the mean of its divisors is an integer number (121551056224).

Almost surely, 2^243102112447 is an apocalyptic number.

243102112447 is a deficient number, since it is larger than the sum of its proper divisors (1).

243102112447 is an equidigital number, since it uses as much as digits as its factorization.

243102112447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 243102112447 its reverse (744211201342), we get a palindrome (987313313789).

The spelling of 243102112447 in words is "two hundred forty-three billion, one hundred two million, one hundred twelve thousand, four hundred forty-seven".