201042423143 has 2 divisors, whose sum is σ = 201042423144. Its totient is φ = 201042423142.

The previous prime is 201042423077. The next prime is 201042423221. The reversal of 201042423143 is 341324240102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201042423143 - 2²⁴ = 201025645927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201042623143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521211571 + 100521211572.

It is an arithmetic number, because the mean of its divisors is an integer number (100521211572).

Almost surely, 2^201042423143 is an apocalyptic number.

201042423143 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042423143 is an equidigital number, since it uses as much as digits as its factorization.

201042423143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 201042423143 its reverse (341324240102), we get a palindrome (542366663245).

The spelling of 201042423143 in words is "two hundred one billion, forty-two million, four hundred twenty-three thousand, one hundred forty-three".