144240423193 has 2 divisors, whose sum is σ = 144240423194. Its totient is φ = 144240423192.

The previous prime is 144240423169. The next prime is 144240423233. The reversal of 144240423193 is 391324042441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109341326224 + 34899096969 = 330668^2 + 186813^2 .

It is an emirp because it is prime and its reverse (391324042441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144240423193 - 2⁹ = 144240422681 is a prime.

It is not a weakly prime, because it can be changed into another prime (144240423113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72120211596 + 72120211597.

It is an arithmetic number, because the mean of its divisors is an integer number (72120211597).

Almost surely, 2^144240423193 is an apocalyptic number.

It is an amenable number.

144240423193 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240423193 is an equidigital number, since it uses as much as digits as its factorization.

144240423193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 144240423193 in words is "one hundred forty-four billion, two hundred forty million, four hundred twenty-three thousand, one hundred ninety-three".