2103445443 has 8 divisors (see below), whose sum is σ = 3059557056. Its totient is φ = 1274815400.

The previous prime is 2103445423. The next prime is 2103445469. The reversal of 2103445443 is 3445443012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2103445443 - 2⁸ = 2103445187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103445443.

It is not an unprimeable number, because it can be changed into a prime (2103445423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31870353 + ... + 31870418.

It is an arithmetic number, because the mean of its divisors is an integer number (382444632).

Almost surely, 2^2103445443 is an apocalyptic number.

2103445443 is a deficient number, since it is larger than the sum of its proper divisors (956111613).

2103445443 is a wasteful number, since it uses less digits than its factorization.

2103445443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63740785.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 2103445443 is about 45863.3344077816. The cubic root of 2103445443 is about 1281.2791255786.

Adding to 2103445443 its reverse (3445443012), we get a palindrome (5548888455).

The spelling of 2103445443 in words is "two billion, one hundred three million, four hundred forty-five thousand, four hundred forty-three".