68636023 has 2 divisors, whose sum is σ = 68636024. Its totient is φ = 68636022.

The previous prime is 68636017. The next prime is 68636033. The reversal of 68636023 is 32063686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68636023 - 2⁵ = 68635991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68636023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68636033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34318011 + 34318012.

It is an arithmetic number, because the mean of its divisors is an integer number (34318012).

Almost surely, 2^68636023 is an apocalyptic number.

68636023 is a deficient number, since it is larger than the sum of its proper divisors (1).

68636023 is an equidigital number, since it uses as much as digits as its factorization.

68636023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 68636023 is about 8284.6860531948. The cubic root of 68636023 is about 409.4341251588.

The spelling of 68636023 in words is "sixty-eight million, six hundred thirty-six thousand, twenty-three".