2103443206 has 4 divisors (see below), whose sum is σ = 3155164812. Its totient is φ = 1051721602.

The previous prime is 2103443189. The next prime is 2103443207. The reversal of 2103443206 is 6023443012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103443207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525860800 + ... + 525860803.

It is an arithmetic number, because the mean of its divisors is an integer number (788791203).

Almost surely, 2^2103443206 is an apocalyptic number.

2103443206 is a deficient number, since it is larger than the sum of its proper divisors (1051721606).

2103443206 is a wasteful number, since it uses less digits than its factorization.

2103443206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051721605.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2103443206 is about 45863.3100201021. The cubic root of 2103443206 is about 1281.2786713679.

Adding to 2103443206 its reverse (6023443012), we get a palindrome (8126886218).

The spelling of 2103443206 in words is "two billion, one hundred three million, four hundred forty-three thousand, two hundred six".