68445023 has 2 divisors, whose sum is σ = 68445024. Its totient is φ = 68445022.

The previous prime is 68444977. The next prime is 68445029. The reversal of 68445023 is 32054486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68445023 - 2¹⁴ = 68428639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68445029) 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, 34222511 + 34222512.

It is an arithmetic number, because the mean of its divisors is an integer number (34222512).

Almost surely, 2^68445023 is an apocalyptic number.

68445023 is a deficient number, since it is larger than the sum of its proper divisors (1).

68445023 is an equidigital number, since it uses as much as digits as its factorization.

68445023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 68445023 is about 8273.1507299215. The cubic root of 68445023 is about 409.0539818714.

The spelling of 68445023 in words is "sixty-eight million, four hundred forty-five thousand, twenty-three".