201123102586943 has 2 divisors, whose sum is σ = 201123102586944. Its totient is φ = 201123102586942.

The previous prime is 201123102586907. The next prime is 201123102586963. The reversal of 201123102586943 is 349685201321102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201123102586943 - 2²⁸ = 201122834151487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201123102586963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561551293471 + 100561551293472.

It is an arithmetic number, because the mean of its divisors is an integer number (100561551293472).

Almost surely, 2^{201123102586943} is an apocalyptic number.

201123102586943 is a deficient number, since it is larger than the sum of its proper divisors (1).

201123102586943 is an equidigital number, since it uses as much as digits as its factorization.

201123102586943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 201123102586943 in words is "two hundred one trillion, one hundred twenty-three billion, one hundred two million, five hundred eighty-six thousand, nine hundred forty-three".