42340230193 has 2 divisors, whose sum is σ = 42340230194. Its totient is φ = 42340230192.

The previous prime is 42340230077. The next prime is 42340230203. The reversal of 42340230193 is 39103204324.

42340230193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42317838369 + 22391824 = 205713^2 + 4732^2 .

It is a cyclic number.

It is not a de Polignac number, because 42340230193 - 2⁹ = 42340229681 is a prime.

It is not a weakly prime, because it can be changed into another prime (42340230293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21170115096 + 21170115097.

It is an arithmetic number, because the mean of its divisors is an integer number (21170115097).

Almost surely, 2^42340230193 is an apocalyptic number.

It is an amenable number.

42340230193 is a deficient number, since it is larger than the sum of its proper divisors (1).

42340230193 is an equidigital number, since it uses as much as digits as its factorization.

42340230193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 42340230193 in words is "forty-two billion, three hundred forty million, two hundred thirty thousand, one hundred ninety-three".