2143401203 has 2 divisors, whose sum is σ = 2143401204. Its totient is φ = 2143401202.

The previous prime is 2143401187. The next prime is 2143401283. The reversal of 2143401203 is 3021043412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143401203 - 2⁴ = 2143401187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2143401283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071700601 + 1071700602.

It is an arithmetic number, because the mean of its divisors is an integer number (1071700602).

Almost surely, 2^2143401203 is an apocalyptic number.

2143401203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143401203 is an equidigital number, since it uses as much as digits as its factorization.

2143401203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143401203 is about 46296.8811368541. The cubic root of 2143401203 is about 1289.3410898939.

Adding to 2143401203 its reverse (3021043412), we get a palindrome (5164444615).

The spelling of 2143401203 in words is "two billion, one hundred forty-three million, four hundred one thousand, two hundred three".