68386523 has 2 divisors, whose sum is σ = 68386524. Its totient is φ = 68386522.

The previous prime is 68386519. The next prime is 68386543. The reversal of 68386523 is 32568386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68386523 - 2² = 68386519 is a prime.

It is not a weakly prime, because it can be changed into another prime (68386543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34193261 + 34193262.

It is an arithmetic number, because the mean of its divisors is an integer number (34193262).

Almost surely, 2^68386523 is an apocalyptic number.

68386523 is a deficient number, since it is larger than the sum of its proper divisors (1).

68386523 is an equidigital number, since it uses as much as digits as its factorization.

68386523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 41.

The square root of 68386523 is about 8269.6144408310. The cubic root of 68386523 is about 408.9374090967.

The spelling of 68386523 in words is "sixty-eight million, three hundred eighty-six thousand, five hundred twenty-three".