2103443243 has 8 divisors (see below), whose sum is σ = 2326100016. Its totient is φ = 1886025600.

The previous prime is 2103443239. The next prime is 2103443257. The reversal of 2103443243 is 3423443012.

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 2103443243 - 2² = 2103443239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103443233) 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, 1308938 + ... + 1310543.

It is an arithmetic number, because the mean of its divisors is an integer number (290762502).

Almost surely, 2^2103443243 is an apocalyptic number.

2103443243 is a deficient number, since it is larger than the sum of its proper divisors (222656773).

2103443243 is a wasteful number, since it uses less digits than its factorization.

2103443243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619565.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2103443243 is about 45863.3104234747. The cubic root of 2103443243 is about 1281.2786788806.

Adding to 2103443243 its reverse (3423443012), we get a palindrome (5526886255).

The spelling of 2103443243 in words is "two billion, one hundred three million, four hundred forty-three thousand, two hundred forty-three".