2103112343 has 4 divisors (see below), whose sum is σ = 2154407808. Its totient is φ = 2051816880.

The previous prime is 2103112267. The next prime is 2103112351. The reversal of 2103112343 is 3432113012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2103112343 - 2¹⁰ = 2103111319 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 (2103112373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25647671 + ... + 25647752.

It is an arithmetic number, because the mean of its divisors is an integer number (538601952).

Almost surely, 2^2103112343 is an apocalyptic number.

2103112343 is a deficient number, since it is larger than the sum of its proper divisors (51295465).

2103112343 is an equidigital number, since it uses as much as digits as its factorization.

2103112343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51295464.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2103112343 is about 45859.7028228487. The cubic root of 2103112343 is about 1281.2114878831.

Adding to 2103112343 its reverse (3432113012), we get a palindrome (5535225355).

The spelling of 2103112343 in words is "two billion, one hundred three million, one hundred twelve thousand, three hundred forty-three".