66108023 has 8 divisors (see below), whose sum is σ = 68526000. Its totient is φ = 63699328.

The previous prime is 66108017. The next prime is 66108041. The reversal of 66108023 is 32080166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66108023 - 2¹² = 66103927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66107983 and 66108001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66108083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14303 + ... + 18351.

It is an arithmetic number, because the mean of its divisors is an integer number (8565750).

Almost surely, 2^66108023 is an apocalyptic number.

66108023 is a deficient number, since it is larger than the sum of its proper divisors (2417977).

66108023 is a wasteful number, since it uses less digits than its factorization.

66108023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 66108023 is about 8130.6840425637. The cubic root of 66108023 is about 404.3443601026.

Adding to 66108023 its reverse (32080166), we get a palindrome (98188189).

The spelling of 66108023 in words is "sixty-six million, one hundred eight thousand, twenty-three".