204123532 has 12 divisors (see below), whose sum is σ = 357854616. Its totient is φ = 101879360.

The previous prime is 204123527. The next prime is 204123533. The reversal of 204123532 is 235321402.

It is not an unprimeable number, because it can be changed into a prime (204123533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43069 + ... + 47572.

It is an arithmetic number, because the mean of its divisors is an integer number (29821218).

Almost surely, 2^204123532 is an apocalyptic number.

It is an amenable number.

204123532 is a deficient number, since it is larger than the sum of its proper divisors (153731084).

204123532 is a wasteful number, since it uses less digits than its factorization.

204123532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91208 (or 91206 counting only the distinct ones).

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

The square root of 204123532 is about 14287.1806875954. The cubic root of 204123532 is about 588.7953318773.

Adding to 204123532 its reverse (235321402), we get a palindrome (439444934).

The spelling of 204123532 in words is "two hundred four million, one hundred twenty-three thousand, five hundred thirty-two".