2100104243 has 8 divisors (see below), whose sum is σ = 2174999040. Its totient is φ = 2026468360.

The previous prime is 2100104221. The next prime is 2100104261. The reversal of 2100104243 is 3424010012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100104243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100100243) 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, 311333 + ... + 318006.

It is an arithmetic number, because the mean of its divisors is an integer number (271874880).

Almost surely, 2^2100104243 is an apocalyptic number.

2100104243 is a deficient number, since it is larger than the sum of its proper divisors (74894797).

2100104243 is an equidigital number, since it uses as much as digits as its factorization.

2100104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629457.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2100104243 is about 45826.8943198205. The cubic root of 2100104243 is about 1280.6003537502.

Adding to 2100104243 its reverse (3424010012), we get a palindrome (5524114255).

The spelling of 2100104243 in words is "two billion, one hundred million, one hundred four thousand, two hundred forty-three".