204243103 has 8 divisors (see below), whose sum is σ = 217211120. Its totient is φ = 191496960.

The previous prime is 204243101. The next prime is 204243113. The reversal of 204243103 is 301342402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204243103 - 2¹ = 204243101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204243101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53568 + ... + 57253.

It is an arithmetic number, because the mean of its divisors is an integer number (27151390).

Almost surely, 2^204243103 is an apocalyptic number.

204243103 is a deficient number, since it is larger than the sum of its proper divisors (12968017).

204243103 is a wasteful number, since it uses less digits than its factorization.

204243103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110937.

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

The square root of 204243103 is about 14291.3646304333. The cubic root of 204243103 is about 588.9102771486.

Adding to 204243103 its reverse (301342402), we get a palindrome (505585505).

The spelling of 204243103 in words is "two hundred four million, two hundred forty-three thousand, one hundred three".