6665323 has 6 divisors (see below), whose sum is σ = 7753596. Its totient is φ = 5713092.

The previous prime is 6665317. The next prime is 6665339. The reversal of 6665323 is 3235666.

It is not a de Polignac number, because 6665323 - 2⁹ = 6664811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6665353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67965 + ... + 68062.

It is an arithmetic number, because the mean of its divisors is an integer number (1292266).

Almost surely, 2^6665323 is an apocalyptic number.

6665323 is a deficient number, since it is larger than the sum of its proper divisors (1088273).

6665323 is a wasteful number, since it uses less digits than its factorization.

6665323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136041 (or 136034 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 6665323 is about 2581.7286844283. The cubic root of 6665323 is about 188.1945605392.

The spelling of 6665323 in words is "six million, six hundred sixty-five thousand, three hundred twenty-three".