6666323 has 4 divisors (see below), whose sum is σ = 6692520. Its totient is φ = 6640128.

The previous prime is 6666269. The next prime is 6666337. The reversal of 6666323 is 3236666.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3236666 = 2 ⋅1618333.

It is a cyclic number.

It is not a de Polignac number, because 6666323 - 2¹⁶ = 6600787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6666323.

It is not an unprimeable number, because it can be changed into a prime (6666353) 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, 12713 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (1673130).

Almost surely, 2^6666323 is an apocalyptic number.

6666323 is a deficient number, since it is larger than the sum of its proper divisors (26197).

6666323 is a wasteful number, since it uses less digits than its factorization.

6666323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26196.

The product of its digits is 23328, while the sum is 32.

The square root of 6666323 is about 2581.9223458501. The cubic root of 6666323 is about 188.2039716935.

The spelling of 6666323 in words is "six million, six hundred sixty-six thousand, three hundred twenty-three".