204423382 has 4 divisors (see below), whose sum is σ = 306635076. Its totient is φ = 102211690.

The previous prime is 204423371. The next prime is 204423389. The reversal of 204423382 is 283324402.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 204423382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423389) 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 as a sum of consecutive naturals, namely, 51105844 + ... + 51105847.

It is an arithmetic number, because the mean of its divisors is an integer number (76658769).

Almost surely, 2^204423382 is an apocalyptic number.

204423382 is a deficient number, since it is larger than the sum of its proper divisors (102211694).

204423382 is a wasteful number, since it uses less digits than its factorization.

204423382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102211693.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 204423382 is about 14297.6705095620. The cubic root of 204423382 is about 589.0834970885.

Adding to 204423382 its reverse (283324402), we get a palindrome (487747784).

The spelling of 204423382 in words is "two hundred four million, four hundred twenty-three thousand, three hundred eighty-two".