2143404203 has 2 divisors, whose sum is σ = 2143404204. Its totient is φ = 2143404202.

The previous prime is 2143404199. The next prime is 2143404233. The reversal of 2143404203 is 3024043412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143404203 - 2² = 2143404199 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143404233) 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, 1071702101 + 1071702102.

It is an arithmetic number, because the mean of its divisors is an integer number (1071702102).

Almost surely, 2^2143404203 is an apocalyptic number.

2143404203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143404203 is an equidigital number, since it uses as much as digits as its factorization.

2143404203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2143404203 is about 46296.9135364335. The cubic root of 2143404203 is about 1289.3416914334.

Adding to 2143404203 its reverse (3024043412), we get a palindrome (5167447615).

The spelling of 2143404203 in words is "two billion, one hundred forty-three million, four hundred four thousand, two hundred three".