2123103 has 12 divisors (see below), whose sum is σ = 2908424. Its totient is φ = 1377600.

The previous prime is 2123087. The next prime is 2123123. The reversal of 2123103 is 3013212.

It is a happy number.

2123103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2123103 - 2⁴ = 2123087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4833 + ... + 5253.

2^2123103 is an apocalyptic number.

2123103 is a deficient number, since it is larger than the sum of its proper divisors (785321).

2123103 is an equidigital number, since it uses as much as digits as its factorization.

2123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2123103 is about 1457.0871628012. The cubic root of 2123103 is about 128.5258115066.

Adding to 2123103 its reverse (3013212), we get a palindrome (5136315).

The spelling of 2123103 in words is "two million, one hundred twenty-three thousand, one hundred three".