204423043424 has 48 divisors (see below), whose sum is σ = 404248873392. Its totient is φ = 101757393408.

The previous prime is 204423043421. The next prime is 204423043441. The reversal of 204423043424 is 424340324402.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423043421) 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, 9487127 + ... + 9508649.

It is an arithmetic number, because the mean of its divisors is an integer number (8421851529).

Almost surely, 2^204423043424 is an apocalyptic number.

It is an amenable number.

204423043424 is a deficient number, since it is larger than the sum of its proper divisors (199825829968).

204423043424 is a wasteful number, since it uses less digits than its factorization.

204423043424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22839 (or 22831 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 204423043424 its reverse (424340324402), we get a palindrome (628763367826).

The spelling of 204423043424 in words is "two hundred four billion, four hundred twenty-three million, forty-three thousand, four hundred twenty-four".