201043430443 has 2 divisors, whose sum is σ = 201043430444. Its totient is φ = 201043430442.

The previous prime is 201043430437. The next prime is 201043430447. The reversal of 201043430443 is 344034340102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201043430443 - 2⁵ = 201043430411 is a prime.

It is not a weakly prime, because it can be changed into another prime (201043430447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521715221 + 100521715222.

It is an arithmetic number, because the mean of its divisors is an integer number (100521715222).

Almost surely, 2^201043430443 is an apocalyptic number.

201043430443 is a deficient number, since it is larger than the sum of its proper divisors (1).

201043430443 is an equidigital number, since it uses as much as digits as its factorization.

201043430443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 201043430443 its reverse (344034340102), we get a palindrome (545077770545).

The spelling of 201043430443 in words is "two hundred one billion, forty-three million, four hundred thirty thousand, four hundred forty-three".