204240223133179 has 2 divisors, whose sum is σ = 204240223133180. Its totient is φ = 204240223133178.

The previous prime is 204240223133131. The next prime is 204240223133183. The reversal of 204240223133179 is 971331322042402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204240223133179 is a prime.

It is not a weakly prime, because it can be changed into another prime (204240223134179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102120111566589 + 102120111566590.

It is an arithmetic number, because the mean of its divisors is an integer number (102120111566590).

Almost surely, 2^{204240223133179} is an apocalyptic number.

204240223133179 is a deficient number, since it is larger than the sum of its proper divisors (1).

204240223133179 is an equidigital number, since it uses as much as digits as its factorization.

204240223133179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

It can be divided in two parts, 204240223 and 133179, that added together give a palindrome (204373402).

The spelling of 204240223133179 in words is "two hundred four trillion, two hundred forty billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred seventy-nine".