168928872023 has 2 divisors, whose sum is σ = 168928872024. Its totient is φ = 168928872022.

The previous prime is 168928871933. The next prime is 168928872029. The reversal of 168928872023 is 320278829861.

168928872023 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 168928872023 - 2¹⁸ = 168928609879 is a prime.

It is a super-2 number, since 2×168928872023² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168928872023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168928872029) 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, 84464436011 + 84464436012.

It is an arithmetic number, because the mean of its divisors is an integer number (84464436012).

Almost surely, 2^168928872023 is an apocalyptic number.

168928872023 is a deficient number, since it is larger than the sum of its proper divisors (1).

168928872023 is an equidigital number, since it uses as much as digits as its factorization.

168928872023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 168928872023 in words is "one hundred sixty-eight billion, nine hundred twenty-eight million, eight hundred seventy-two thousand, twenty-three".