204240223133783 has 2 divisors, whose sum is σ = 204240223133784. Its totient is φ = 204240223133782.

The previous prime is 204240223133777. The next prime is 204240223133819. The reversal of 204240223133783 is 387331322042402.

204240223133783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204240223133783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204240223133183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102120111566891 + 102120111566892.

It is an arithmetic number, because the mean of its divisors is an integer number (102120111566892).

Almost surely, 2^{204240223133783} is an apocalyptic number.

204240223133783 is a deficient number, since it is larger than the sum of its proper divisors (1).

204240223133783 is an equidigital number, since it uses as much as digits as its factorization.

204240223133783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 204240223133783 in words is "two hundred four trillion, two hundred forty billion, two hundred twenty-three million, one hundred thirty-three thousand, seven hundred eighty-three".