2043340043 has 2 divisors, whose sum is σ = 2043340044. Its totient is φ = 2043340042.

The previous prime is 2043340031. The next prime is 2043340049. The reversal of 2043340043 is 3400433402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2043340043 - 2¹⁰ = 2043339019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043340049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021670021 + 1021670022.

It is an arithmetic number, because the mean of its divisors is an integer number (1021670022).

Almost surely, 2^2043340043 is an apocalyptic number.

2043340043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043340043 is an equidigital number, since it uses as much as digits as its factorization.

2043340043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 2043340043 is about 45203.3189378833. The cubic root of 2043340043 is about 1268.9569303484.

Adding to 2043340043 its reverse (3400433402), we get a palindrome (5443773445).

The spelling of 2043340043 in words is "two billion, forty-three million, three hundred forty thousand, forty-three".