204240202230353 has 2 divisors, whose sum is σ = 204240202230354. Its totient is φ = 204240202230352.

The previous prime is 204240202230341. The next prime is 204240202230359. The reversal of 204240202230353 is 353032202042402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160904734541329 + 43335467689024 = 12684823^2 + 6582968^2 .

It is a cyclic number.

It is not a de Polignac number, because 204240202230353 - 2²⁴ = 204240185453137 is a prime.

It is not a weakly prime, because it can be changed into another prime (204240202230359) 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, 102120101115176 + 102120101115177.

It is an arithmetic number, because the mean of its divisors is an integer number (102120101115177).

Almost surely, 2^{204240202230353} is an apocalyptic number.

It is an amenable number.

204240202230353 is a deficient number, since it is larger than the sum of its proper divisors (1).

204240202230353 is an equidigital number, since it uses as much as digits as its factorization.

204240202230353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 204240202230353 its reverse (353032202042402), we get a palindrome (557272404272755).

The spelling of 204240202230353 in words is "two hundred four trillion, two hundred forty billion, two hundred two million, two hundred thirty thousand, three hundred fifty-three".