204235126430183 has 2 divisors, whose sum is σ = 204235126430184. Its totient is φ = 204235126430182.

The previous prime is 204235126430149. The next prime is 204235126430213. The reversal of 204235126430183 is 381034621532402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204235126430183 - 2¹² = 204235126426087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204235126430113) 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, 102117563215091 + 102117563215092.

It is an arithmetic number, because the mean of its divisors is an integer number (102117563215092).

Almost surely, 2^{204235126430183} is an apocalyptic number.

204235126430183 is a deficient number, since it is larger than the sum of its proper divisors (1).

204235126430183 is an equidigital number, since it uses as much as digits as its factorization.

204235126430183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 44.

Adding to 204235126430183 its reverse (381034621532402), we get a palindrome (585269747962585).

The spelling of 204235126430183 in words is "two hundred four trillion, two hundred thirty-five billion, one hundred twenty-six million, four hundred thirty thousand, one hundred eighty-three".