2043320243 has 2 divisors, whose sum is σ = 2043320244. Its totient is φ = 2043320242.

The previous prime is 2043320203. The next prime is 2043320261. The reversal of 2043320243 is 3420233402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2043320243 - 2²⁴ = 2026543027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043320203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021660121 + 1021660122.

It is an arithmetic number, because the mean of its divisors is an integer number (1021660122).

Almost surely, 2^2043320243 is an apocalyptic number.

2043320243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043320243 is an equidigital number, since it uses as much as digits as its factorization.

2043320243 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 2043320243 is about 45203.0999268855. The cubic root of 2043320243 is about 1268.9528315970.

Adding to 2043320243 its reverse (3420233402), we get a palindrome (5463553645).

The spelling of 2043320243 in words is "two billion, forty-three million, three hundred twenty thousand, two hundred forty-three".