204223135 has 8 divisors (see below), whose sum is σ = 245330640. Its totient is φ = 163203264.

The previous prime is 204223127. The next prime is 204223139. The reversal of 204223135 is 531322402.

204223135 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 204223135 - 2³ = 204223127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204223139) 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, 16665 + ... + 26194.

It is an arithmetic number, because the mean of its divisors is an integer number (30666330).

Almost surely, 2^204223135 is an apocalyptic number.

204223135 is a deficient number, since it is larger than the sum of its proper divisors (41107505).

204223135 is an equidigital number, since it uses as much as digits as its factorization.

204223135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43817.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 204223135 is about 14290.6660096722. Note that the first 3 decimals coincide. The cubic root of 204223135 is about 588.8910847524.

Adding to 204223135 its reverse (531322402), we get a palindrome (735545537).

The spelling of 204223135 in words is "two hundred four million, two hundred twenty-three thousand, one hundred thirty-five".