172034565823 has 2 divisors, whose sum is σ = 172034565824. Its totient is φ = 172034565822.

The previous prime is 172034565799. The next prime is 172034565839. The reversal of 172034565823 is 328565430271.

172034565823 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 a cyclic number.

It is not a de Polignac number, because 172034565823 - 2¹⁷ = 172034434751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172034560823) 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, 86017282911 + 86017282912.

It is an arithmetic number, because the mean of its divisors is an integer number (86017282912).

Almost surely, 2^172034565823 is an apocalyptic number.

172034565823 is a deficient number, since it is larger than the sum of its proper divisors (1).

172034565823 is an equidigital number, since it uses as much as digits as its factorization.

172034565823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 172034565823 in words is "one hundred seventy-two billion, thirty-four million, five hundred sixty-five thousand, eight hundred twenty-three".