68006923 has 2 divisors, whose sum is σ = 68006924. Its totient is φ = 68006922.

The previous prime is 68006921. The next prime is 68006957. The reversal of 68006923 is 32960086.

It is a happy number.

It is an a-pointer prime, because the next prime (68006957) can be obtained adding 68006923 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68006923 - 2¹ = 68006921 is a prime.

Together with 68006921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68006921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34003461 + 34003462.

It is an arithmetic number, because the mean of its divisors is an integer number (34003462).

Almost surely, 2^68006923 is an apocalyptic number.

68006923 is a deficient number, since it is larger than the sum of its proper divisors (1).

68006923 is an equidigital number, since it uses as much as digits as its factorization.

68006923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 68006923 is about 8246.6310090849. The cubic root of 68006923 is about 408.1793613385.

The spelling of 68006923 in words is "sixty-eight million, six thousand, nine hundred twenty-three".