203242103 has 4 divisors (see below), whose sum is σ = 204725760. Its totient is φ = 201758448.

The previous prime is 203242097. The next prime is 203242129. The reversal of 203242103 is 301242302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203242103 - 2⁸ = 203241847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203242133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741623 + ... + 741896.

It is an arithmetic number, because the mean of its divisors is an integer number (51181440).

Almost surely, 2^203242103 is an apocalyptic number.

203242103 is a deficient number, since it is larger than the sum of its proper divisors (1483657).

203242103 is a wasteful number, since it uses less digits than its factorization.

203242103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483656.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 203242103 is about 14256.3004668112. The cubic root of 203242103 is about 587.9466136530.

Adding to 203242103 its reverse (301242302), we get a palindrome (504484405).

The spelling of 203242103 in words is "two hundred three million, two hundred forty-two thousand, one hundred three".