201341340242123 has 2 divisors, whose sum is σ = 201341340242124. Its totient is φ = 201341340242122.

The previous prime is 201341340242113. The next prime is 201341340242143. The reversal of 201341340242123 is 321242043143102.

It is a happy number.

201341340242123 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 201341340242123 - 2³⁰ = 201340266500299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201341340242123.

It is not a weakly prime, because it can be changed into another prime (201341340242113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670670121061 + 100670670121062.

It is an arithmetic number, because the mean of its divisors is an integer number (100670670121062).

Almost surely, 2^{201341340242123} is an apocalyptic number.

201341340242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201341340242123 is an equidigital number, since it uses as much as digits as its factorization.

201341340242123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 201341340242123 its reverse (321242043143102), we get a palindrome (522583383385225).

The spelling of 201341340242123 in words is "two hundred one trillion, three hundred forty-one billion, three hundred forty million, two hundred forty-two thousand, one hundred twenty-three".