66003023 has 8 divisors (see below), whose sum is σ = 67665600. Its totient is φ = 64361088.

The previous prime is 66003019. The next prime is 66003029. The reversal of 66003023 is 32030066.

It is a happy number.

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 66003023 - 2² = 66003019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66002986 and 66003004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66003029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1418 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (8458200).

Almost surely, 2^66003023 is an apocalyptic number.

66003023 is a deficient number, since it is larger than the sum of its proper divisors (1662577).

66003023 is a wasteful number, since it uses less digits than its factorization.

66003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 66003023 is about 8124.2244552942. The cubic root of 66003023 is about 404.1301720027.

Adding to 66003023 its reverse (32030066), we get a palindrome (98033089).

The spelling of 66003023 in words is "sixty-six million, three thousand, twenty-three".