185105368423 has 2 divisors, whose sum is σ = 185105368424. Its totient is φ = 185105368422.

The previous prime is 185105368379. The next prime is 185105368463. The reversal of 185105368423 is 324863501581.

185105368423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (324863501581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 185105368423 - 2³⁷ = 47666414951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185105368463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92552684211 + 92552684212.

It is an arithmetic number, because the mean of its divisors is an integer number (92552684212).

Almost surely, 2^185105368423 is an apocalyptic number.

185105368423 is a deficient number, since it is larger than the sum of its proper divisors (1).

185105368423 is an equidigital number, since it uses as much as digits as its factorization.

185105368423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 185105368423 in words is "one hundred eighty-five billion, one hundred five million, three hundred sixty-eight thousand, four hundred twenty-three".