103820243 has 2 divisors, whose sum is σ = 103820244. Its totient is φ = 103820242.

The previous prime is 103820153. The next prime is 103820257. The reversal of 103820243 is 342028301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103820243 - 2²⁴ = 87043027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103820273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51910121 + 51910122.

It is an arithmetic number, because the mean of its divisors is an integer number (51910122).

Almost surely, 2^103820243 is an apocalyptic number.

103820243 is a deficient number, since it is larger than the sum of its proper divisors (1).

103820243 is an equidigital number, since it uses as much as digits as its factorization.

103820243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 103820243 is about 10189.2219035606. The cubic root of 103820243 is about 469.9958397097.

Adding to 103820243 its reverse (342028301), we get a palindrome (445848544).

The spelling of 103820243 in words is "one hundred three million, eight hundred twenty thousand, two hundred forty-three".