2143234103 has 2 divisors, whose sum is σ = 2143234104. Its totient is φ = 2143234102.

The previous prime is 2143234091. The next prime is 2143234133. The reversal of 2143234103 is 3014323412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143234103 - 2²⁰ = 2142185527 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143234133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071617051 + 1071617052.

It is an arithmetic number, because the mean of its divisors is an integer number (1071617052).

Almost surely, 2^2143234103 is an apocalyptic number.

2143234103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143234103 is an equidigital number, since it uses as much as digits as its factorization.

2143234103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2143234103 is about 46295.0764444773. The cubic root of 2143234103 is about 1289.3075832573.

Adding to 2143234103 its reverse (3014323412), we get a palindrome (5157557515).

The spelling of 2143234103 in words is "two billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred three".