204423206 has 16 divisors (see below), whose sum is σ = 330783264. Its totient is φ = 94188864.

The previous prime is 204423169. The next prime is 204423209. The reversal of 204423206 is 602324402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9671 + ... + 22413.

It is an arithmetic number, because the mean of its divisors is an integer number (20673954).

Almost surely, 2^204423206 is an apocalyptic number.

204423206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

204423206 is a deficient number, since it is larger than the sum of its proper divisors (126360058).

204423206 is a wasteful number, since it uses less digits than its factorization.

204423206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204423206 is about 14297.6643547119. The cubic root of 204423206 is about 589.0833280297.

Adding to 204423206 its reverse (602324402), we get a palindrome (806747608).

The spelling of 204423206 in words is "two hundred four million, four hundred twenty-three thousand, two hundred six".