204603423 has 16 divisors (see below), whose sum is σ = 287439360. Its totient is φ = 129200544.

The previous prime is 204603409. The next prime is 204603431. The reversal of 204603423 is 324306402.

It is a happy number.

It is not a de Polignac number, because 204603423 - 2⁵ = 204603391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204603393 and 204603402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204603493) 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, 7288 + ... + 21501.

It is an arithmetic number, because the mean of its divisors is an integer number (17964960).

Almost surely, 2^204603423 is an apocalyptic number.

204603423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

204603423 is a deficient number, since it is larger than the sum of its proper divisors (82835937).

204603423 is a wasteful number, since it uses less digits than its factorization.

204603423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28918.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 204603423 is about 14303.9652893874. The cubic root of 204603423 is about 589.2563867383.

Adding to 204603423 its reverse (324306402), we get a palindrome (528909825).

The spelling of 204603423 in words is "two hundred four million, six hundred three thousand, four hundred twenty-three".