204231442223 has 2 divisors, whose sum is σ = 204231442224. Its totient is φ = 204231442222.

The previous prime is 204231442171. The next prime is 204231442231. The reversal of 204231442223 is 322244132402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204231442223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204231442243) 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 as a sum of consecutive naturals, namely, 102115721111 + 102115721112.

It is an arithmetic number, because the mean of its divisors is an integer number (102115721112).

Almost surely, 2^204231442223 is an apocalyptic number.

204231442223 is a deficient number, since it is larger than the sum of its proper divisors (1).

204231442223 is an equidigital number, since it uses as much as digits as its factorization.

204231442223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 204231442223 its reverse (322244132402), we get a palindrome (526475574625).

The spelling of 204231442223 in words is "two hundred four billion, two hundred thirty-one million, four hundred forty-two thousand, two hundred twenty-three".