2103123103 has 2 divisors, whose sum is σ = 2103123104. Its totient is φ = 2103123102.

The previous prime is 2103123097. The next prime is 2103123107. The reversal of 2103123103 is 3013213012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103123103 - 2⁹ = 2103122591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103123107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051561551 + 1051561552.

It is an arithmetic number, because the mean of its divisors is an integer number (1051561552).

Almost surely, 2^2103123103 is an apocalyptic number.

2103123103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103123103 is an equidigital number, since it uses as much as digits as its factorization.

2103123103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2103123103 is about 45859.8201370219. The cubic root of 2103123103 is about 1281.2136728689.

Adding to 2103123103 its reverse (3013213012), we get a palindrome (5116336115).

The spelling of 2103123103 in words is "two billion, one hundred three million, one hundred twenty-three thousand, one hundred three".