204004123 has 8 divisors (see below), whose sum is σ = 209966400. Its totient is φ = 198125448.

The previous prime is 204004093. The next prime is 204004127. The reversal of 204004123 is 321400402.

204004123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204004123 - 2¹³ = 203995931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204004097 and 204004106.

It is not an unprimeable number, because it can be changed into a prime (204004127) 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, 15933 + ... + 25726.

It is an arithmetic number, because the mean of its divisors is an integer number (26245800).

Almost surely, 2^204004123 is an apocalyptic number.

204004123 is a deficient number, since it is larger than the sum of its proper divisors (5962277).

204004123 is an equidigital number, since it uses as much as digits as its factorization.

204004123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41801.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 204004123 is about 14283.0011902261. The cubic root of 204004123 is about 588.6804975331.

Adding to 204004123 its reverse (321400402), we get a palindrome (525404525).

The spelling of 204004123 in words is "two hundred four million, four thousand, one hundred twenty-three".