68321423 has 2 divisors, whose sum is σ = 68321424. Its totient is φ = 68321422.

The previous prime is 68321411. The next prime is 68321437. The reversal of 68321423 is 32412386.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68321423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68321443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34160711 + 34160712.

It is an arithmetic number, because the mean of its divisors is an integer number (34160712).

Almost surely, 2^68321423 is an apocalyptic number.

68321423 is a deficient number, since it is larger than the sum of its proper divisors (1).

68321423 is an equidigital number, since it uses as much as digits as its factorization.

68321423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 68321423 is about 8265.6774072063. The cubic root of 68321423 is about 408.8076063417.

The spelling of 68321423 in words is "sixty-eight million, three hundred twenty-one thousand, four hundred twenty-three".