6323665 has 4 divisors (see below), whose sum is σ = 7588404. Its totient is φ = 5058928.

The previous prime is 6323663. The next prime is 6323671. The reversal of 6323665 is 5663236.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1252161 + 5071504 = 1119^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 6323665 - 2¹ = 6323663 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6323663) 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, 632362 + ... + 632371.

It is an arithmetic number, because the mean of its divisors is an integer number (1897101).

Almost surely, 2^6323665 is an apocalyptic number.

It is an amenable number.

6323665 is a deficient number, since it is larger than the sum of its proper divisors (1264739).

6323665 is a wasteful number, since it uses less digits than its factorization.

6323665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264738.

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

The square root of 6323665 is about 2514.6898417101. The cubic root of 6323665 is about 184.9224413143.

The spelling of 6323665 in words is "six million, three hundred twenty-three thousand, six hundred sixty-five".