204324134 has 48 divisors (see below), whose sum is σ = 374588928. Its totient is φ = 81838416.

The previous prime is 204324103. The next prime is 204324137. The reversal of 204324134 is 431423402.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204324137) 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, 347789 + ... + 348375.

It is an arithmetic number, because the mean of its divisors is an integer number (7803936).

Almost surely, 2^204324134 is an apocalyptic number.

204324134 is a deficient number, since it is larger than the sum of its proper divisors (170264794).

204324134 is a wasteful number, since it uses less digits than its factorization.

204324134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 666 counting only the distinct ones).

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

The square root of 204324134 is about 14294.1993130081. The cubic root of 204324134 is about 588.9881478798.

Adding to 204324134 its reverse (431423402), we get a palindrome (635747536).

The spelling of 204324134 in words is "two hundred four million, three hundred twenty-four thousand, one hundred thirty-four".