204401223 has 24 divisors (see below), whose sum is σ = 318470880. Its totient is φ = 125582400.

The previous prime is 204401173. The next prime is 204401237. The reversal of 204401223 is 322104402.

204401223 is a `hidden beast` number, since 2 + 0 + 440 + 1 + 223 = 666.

It is not a de Polignac number, because 204401223 - 2⁶ = 204401159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204401196 and 204401205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204401243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106573 + ... + 108473.

It is an arithmetic number, because the mean of its divisors is an integer number (13269620).

Almost surely, 2^204401223 is an apocalyptic number.

204401223 is a deficient number, since it is larger than the sum of its proper divisors (114069657).

204401223 is a wasteful number, since it uses less digits than its factorization.

204401223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839 (or 2836 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 204401223 is about 14296.8955721163. The cubic root of 204401223 is about 589.0622112441.

Adding to 204401223 its reverse (322104402), we get a palindrome (526505625).

The spelling of 204401223 in words is "two hundred four million, four hundred one thousand, two hundred twenty-three".