2103548243 has 2 divisors, whose sum is σ = 2103548244. Its totient is φ = 2103548242.

The previous prime is 2103548221. The next prime is 2103548257. The reversal of 2103548243 is 3428453012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2103548243 - 2⁶ = 2103548179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2103548443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051774121 + 1051774122.

It is an arithmetic number, because the mean of its divisors is an integer number (1051774122).

Almost surely, 2^2103548243 is an apocalyptic number.

2103548243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103548243 is an equidigital number, since it uses as much as digits as its factorization.

2103548243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2103548243 is about 45864.4551150452. The cubic root of 2103548243 is about 1281.2999982139.

It can be divided in two parts, 210 and 3548243, that added together give a palindrome (3548453).

The spelling of 2103548243 in words is "two billion, one hundred three million, five hundred forty-eight thousand, two hundred forty-three".