243102210144427 has 2 divisors, whose sum is σ = 243102210144428. Its totient is φ = 243102210144426.

The previous prime is 243102210144397. The next prime is 243102210144473. The reversal of 243102210144427 is 724441012201342.

243102210144427 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 is a cyclic number.

It is not a de Polignac number, because 243102210144427 - 2¹⁵ = 243102210111659 is a prime.

It is not a weakly prime, because it can be changed into another prime (243102210144727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121551105072213 + 121551105072214.

It is an arithmetic number, because the mean of its divisors is an integer number (121551105072214).

Almost surely, 2^{243102210144427} is an apocalyptic number.

243102210144427 is a deficient number, since it is larger than the sum of its proper divisors (1).

243102210144427 is an equidigital number, since it uses as much as digits as its factorization.

243102210144427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 37.

Adding to 243102210144427 its reverse (724441012201342), we get a palindrome (967543222345769).

The spelling of 243102210144427 in words is "two hundred forty-three trillion, one hundred two billion, two hundred ten million, one hundred forty-four thousand, four hundred twenty-seven".