68337823 has 2 divisors, whose sum is σ = 68337824. Its totient is φ = 68337822.

The previous prime is 68337809. The next prime is 68337883. The reversal of 68337823 is 32873386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68337823 - 2⁵ = 68337791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68337883) 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, 34168911 + 34168912.

It is an arithmetic number, because the mean of its divisors is an integer number (34168912).

Almost surely, 2^68337823 is an apocalyptic number.

68337823 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337823 is an equidigital number, since it uses as much as digits as its factorization.

68337823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 68337823 is about 8266.6694018813. The cubic root of 68337823 is about 408.8403140346.

The spelling of 68337823 in words is "sixty-eight million, three hundred thirty-seven thousand, eight hundred twenty-three".