2143240003 has 2 divisors, whose sum is σ = 2143240004. Its totient is φ = 2143240002.

The previous prime is 2143239977. The next prime is 2143240007. The reversal of 2143240003 is 3000423412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143240003 - 2⁹ = 2143239491 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143240007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071620001 + 1071620002.

It is an arithmetic number, because the mean of its divisors is an integer number (1071620002).

Almost surely, 2^2143240003 is an apocalyptic number.

2143240003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143240003 is an equidigital number, since it uses as much as digits as its factorization.

2143240003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2143240003 is about 46295.1401661125. The cubic root of 2143240003 is about 1289.3087663460.

Adding to 2143240003 its reverse (3000423412), we get a palindrome (5143663415).

The spelling of 2143240003 in words is "two billion, one hundred forty-three million, two hundred forty thousand, three".