66335023 has 4 divisors (see below), whose sum is σ = 69826360. Its totient is φ = 62843688.

The previous prime is 66334997. The next prime is 66335047. The reversal of 66335023 is 32053366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66335023 - 2⁵ = 66334991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66334982 and 66335000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66335053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745640 + ... + 1745677.

It is an arithmetic number, because the mean of its divisors is an integer number (17456590).

Almost surely, 2^66335023 is an apocalyptic number.

66335023 is a deficient number, since it is larger than the sum of its proper divisors (3491337).

66335023 is a wasteful number, since it uses less digits than its factorization.

66335023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491336.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 66335023 is about 8144.6315447662. The cubic root of 66335023 is about 404.8066404123.

Adding to 66335023 its reverse (32053366), we get a palindrome (98388389).

The spelling of 66335023 in words is "sixty-six million, three hundred thirty-five thousand, twenty-three".