2104403243 has 2 divisors, whose sum is σ = 2104403244. Its totient is φ = 2104403242.

The previous prime is 2104403227. The next prime is 2104403261. The reversal of 2104403243 is 3423044012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104403243 - 2⁴ = 2104403227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2104402243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052201621 + 1052201622.

It is an arithmetic number, because the mean of its divisors is an integer number (1052201622).

Almost surely, 2^2104403243 is an apocalyptic number.

2104403243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104403243 is an equidigital number, since it uses as much as digits as its factorization.

2104403243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2104403243 is about 45873.7751117128. The cubic root of 2104403243 is about 1281.4735720963.

Adding to 2104403243 its reverse (3423044012), we get a palindrome (5527447255).

The spelling of 2104403243 in words is "two billion, one hundred four million, four hundred three thousand, two hundred forty-three".