201140240243 has 2 divisors, whose sum is σ = 201140240244. Its totient is φ = 201140240242.

The previous prime is 201140240219. The next prime is 201140240281. The reversal of 201140240243 is 342042041102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201140240243 - 2¹² = 201140236147 is a prime.

It is not a weakly prime, because it can be changed into another prime (201140240843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100570120121 + 100570120122.

It is an arithmetic number, because the mean of its divisors is an integer number (100570120122).

Almost surely, 2^201140240243 is an apocalyptic number.

201140240243 is a deficient number, since it is larger than the sum of its proper divisors (1).

201140240243 is an equidigital number, since it uses as much as digits as its factorization.

201140240243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 201140240243 its reverse (342042041102), we get a palindrome (543182281345).

The spelling of 201140240243 in words is "two hundred one billion, one hundred forty million, two hundred forty thousand, two hundred forty-three".