23308 has 6 divisors (see below), whose sum is σ = 40796. Its totient is φ = 11652.

The previous prime is 23297. The next prime is 23311. The reversal of 23308 is 80332.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23291 and 23300.

It is an unprimeable number.

23308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910 + ... + 2917.

2²³³⁰⁸ is an apocalyptic number.

It is an amenable number.

23308 is a deficient number, since it is larger than the sum of its proper divisors (17488).

23308 is a wasteful number, since it uses less digits than its factorization.

23308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831 (or 5829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23308 is about 152.6695778471. The cubic root of 23308 is about 28.5650509575.

The spelling of 23308 in words is "twenty-three thousand, three hundred eight".