40344123022141 has 2 divisors, whose sum is σ = 40344123022142. Its totient is φ = 40344123022140.

The previous prime is 40344123022139. The next prime is 40344123022183. The reversal of 40344123022141 is 14122032144304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29497705330041 + 10846417692100 = 5431179^2 + 3293390^2 .

It is a cyclic number.

It is not a de Polignac number, because 40344123022141 - 2¹ = 40344123022139 is a prime.

Together with 40344123022139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40344123022121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172061511070 + 20172061511071.

It is an arithmetic number, because the mean of its divisors is an integer number (20172061511071).

Almost surely, 2^{40344123022141} is an apocalyptic number.

It is an amenable number.

40344123022141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344123022141 is an equidigital number, since it uses as much as digits as its factorization.

40344123022141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 40344123022141 its reverse (14122032144304), we get a palindrome (54466155166445).

The spelling of 40344123022141 in words is "forty trillion, three hundred forty-four billion, one hundred twenty-three million, twenty-two thousand, one hundred forty-one".