68875423 has 2 divisors, whose sum is σ = 68875424. Its totient is φ = 68875422.

The previous prime is 68875403. The next prime is 68875447. The reversal of 68875423 is 32457886.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68875423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68875423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68875403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34437711 + 34437712.

It is an arithmetic number, because the mean of its divisors is an integer number (34437712).

Almost surely, 2^68875423 is an apocalyptic number.

68875423 is a deficient number, since it is larger than the sum of its proper divisors (1).

68875423 is an equidigital number, since it uses as much as digits as its factorization.

68875423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 68875423 is about 8299.1218210121. The cubic root of 68875423 is about 409.9096033110.

The spelling of 68875423 in words is "sixty-eight million, eight hundred seventy-five thousand, four hundred twenty-three".