68423086 has 4 divisors (see below), whose sum is σ = 102634632. Its totient is φ = 34211542.

The previous prime is 68423081. The next prime is 68423087. The reversal of 68423086 is 68032486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68032486 = 2 ⋅34016243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68423081) 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, 17105770 + ... + 17105773.

It is an arithmetic number, because the mean of its divisors is an integer number (25658658).

Almost surely, 2^68423086 is an apocalyptic number.

68423086 is a deficient number, since it is larger than the sum of its proper divisors (34211546).

68423086 is a wasteful number, since it uses less digits than its factorization.

68423086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34211545.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 68423086 is about 8271.8248288996. The cubic root of 68423086 is about 409.0102758640.

The spelling of 68423086 in words is "sixty-eight million, four hundred twenty-three thousand, eighty-six".