204323005 has 8 divisors (see below), whose sum is σ = 245282400. Its totient is φ = 163395216.

The previous prime is 204322981. The next prime is 204323011. The reversal of 204323005 is 500323402.

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 204323005 - 2⁵ = 204322973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10026 + ... + 22564.

It is an arithmetic number, because the mean of its divisors is an integer number (30660300).

Almost surely, 2^204323005 is an apocalyptic number.

It is an amenable number.

204323005 is a deficient number, since it is larger than the sum of its proper divisors (40959395).

204323005 is a wasteful number, since it uses less digits than its factorization.

204323005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15803.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 204323005 is about 14294.1598214096. The cubic root of 204323005 is about 588.9870630530.

Adding to 204323005 its reverse (500323402), we get a palindrome (704646407).

The spelling of 204323005 in words is "two hundred four million, three hundred twenty-three thousand, five".