204423402 has 64 divisors (see below), whose sum is σ = 457850880. Its totient is φ = 60513024.

The previous prime is 204423397. The next prime is 204423403. The reversal of 204423402 is 204324402.

204423402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204423403) 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 31 ways as a sum of consecutive naturals, for example, 184783 + ... + 185885.

It is an arithmetic number, because the mean of its divisors is an integer number (7153920).

Almost surely, 2^204423402 is an apocalyptic number.

204423402 is an abundant number, since it is smaller than the sum of its proper divisors (253427478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204423402 is a wasteful number, since it uses less digits than its factorization.

204423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 204423402 is about 14297.6712089767. The cubic root of 204423402 is about 589.0835162997.

Adding to 204423402 its reverse (204324402), we get a palindrome (408747804).

The spelling of 204423402 in words is "two hundred four million, four hundred twenty-three thousand, four hundred two".