205050023 has 2 divisors, whose sum is σ = 205050024. Its totient is φ = 205050022.

The previous prime is 205050017. The next prime is 205050067. The reversal of 205050023 is 320050502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205050023 - 2¹² = 205045927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205049983 and 205050010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205050623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102525011 + 102525012.

It is an arithmetic number, because the mean of its divisors is an integer number (102525012).

Almost surely, 2^205050023 is an apocalyptic number.

205050023 is a deficient number, since it is larger than the sum of its proper divisors (1).

205050023 is an equidigital number, since it uses as much as digits as its factorization.

205050023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 205050023 is about 14319.5678356576. The cubic root of 205050023 is about 589.6848101037.

The spelling of 205050023 in words is "two hundred five million, fifty thousand, twenty-three".