203424103 has 2 divisors, whose sum is σ = 203424104. Its totient is φ = 203424102.

The previous prime is 203424071. The next prime is 203424173. The reversal of 203424103 is 301424302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203424103 - 2⁵ = 203424071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203424173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101712051 + 101712052.

It is an arithmetic number, because the mean of its divisors is an integer number (101712052).

Almost surely, 2^203424103 is an apocalyptic number.

203424103 is a deficient number, since it is larger than the sum of its proper divisors (1).

203424103 is an equidigital number, since it uses as much as digits as its factorization.

203424103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203424103 is about 14262.6821811327. The cubic root of 203424103 is about 588.1220601726.

Adding to 203424103 its reverse (301424302), we get a palindrome (504848405).

The spelling of 203424103 in words is "two hundred three million, four hundred twenty-four thousand, one hundred three".