23328005 has 8 divisors (see below), whose sum is σ = 28075032. Its totient is φ = 18608128.

The previous prime is 23327987. The next prime is 23328007. The reversal of 23328005 is 50082332.

It can be written as a sum of positive squares in 4 ways, for example, as 1181569 + 22146436 = 1087^2 + 4706^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23328005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23328007) 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 7 ways as a sum of consecutive naturals, for example, 4844 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (3509379).

Almost surely, 2^23328005 is an apocalyptic number.

It is an amenable number.

23328005 is a deficient number, since it is larger than the sum of its proper divisors (4747027).

23328005 is a wasteful number, since it uses less digits than its factorization.

23328005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23328005 is about 4829.9073490078. The cubic root of 23328005 is about 285.7322097684.

The spelling of 23328005 in words is "twenty-three million, three hundred twenty-eight thousand, five".