68554723 has 2 divisors, whose sum is σ = 68554724. Its totient is φ = 68554722.

The previous prime is 68554721. The next prime is 68554729. The reversal of 68554723 is 32745586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68554723 - 2¹ = 68554721 is a prime.

Together with 68554721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (68554721) 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, 34277361 + 34277362.

It is an arithmetic number, because the mean of its divisors is an integer number (34277362).

Almost surely, 2^68554723 is an apocalyptic number.

68554723 is a deficient number, since it is larger than the sum of its proper divisors (1).

68554723 is an equidigital number, since it uses as much as digits as its factorization.

68554723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

The square root of 68554723 is about 8279.7779559599. Note that the first 3 decimals coincide. The cubic root of 68554723 is about 409.2724017930.

The spelling of 68554723 in words is "sixty-eight million, five hundred fifty-four thousand, seven hundred twenty-three".