204223534203 has 16 divisors (see below), whose sum is σ = 293300379680. Its totient is φ = 125651879424.

The previous prime is 204223534111. The next prime is 204223534283. The reversal of 204223534203 is 302435322402.

It is a happy number.

It is not a de Polignac number, because 204223534203 - 2⁸ = 204223533947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204223534283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296248 + ... + 704421.

It is an arithmetic number, because the mean of its divisors is an integer number (18331273730).

Almost surely, 2^204223534203 is an apocalyptic number.

204223534203 is a deficient number, since it is larger than the sum of its proper divisors (89076845477).

204223534203 is a wasteful number, since it uses less digits than its factorization.

204223534203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005918.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 204223534203 its reverse (302435322402), we get a palindrome (506658856605).

The spelling of 204223534203 in words is "two hundred four billion, two hundred twenty-three million, five hundred thirty-four thousand, two hundred three".