204240223133183 has 2 divisors, whose sum is σ = 204240223133184. Its totient is φ = 204240223133182.

The previous prime is 204240223133179. The next prime is 204240223133239. The reversal of 204240223133183 is 381331322042402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204240223133183 - 2² = 204240223133179 is a prime.

It is a super-2 number, since 2×204240223133183² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204240223133783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102120111566591 + 102120111566592.

It is an arithmetic number, because the mean of its divisors is an integer number (102120111566592).

Almost surely, 2^{204240223133183} is an apocalyptic number.

204240223133183 is a deficient number, since it is larger than the sum of its proper divisors (1).

204240223133183 is an equidigital number, since it uses as much as digits as its factorization.

204240223133183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

Adding to 204240223133183 its reverse (381331322042402), we get a palindrome (585571545175585).

The spelling of 204240223133183 in words is "two hundred four trillion, two hundred forty billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred eighty-three".