203204103 has 16 divisors (see below), whose sum is σ = 284202240. Its totient is φ = 128899584.

The previous prime is 203204093. The next prime is 203204123. The reversal of 203204103 is 301402302.

It is not a de Polignac number, because 203204103 - 2⁹ = 203203591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203204123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5688 + ... + 20946.

It is an arithmetic number, because the mean of its divisors is an integer number (17762640).

Almost surely, 2^203204103 is an apocalyptic number.

203204103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

203204103 is a deficient number, since it is larger than the sum of its proper divisors (80998137).

203204103 is a wasteful number, since it uses less digits than its factorization.

203204103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15478.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 203204103 is about 14254.9676604333. The cubic root of 203204103 is about 587.9099687461.

Adding to 203204103 its reverse (301402302), we get a palindrome (504606405).

The spelling of 203204103 in words is "two hundred three million, two hundred four thousand, one hundred three".