23328331 has 8 divisors (see below), whose sum is σ = 25162704. Its totient is φ = 21499680.

The previous prime is 23328323. The next prime is 23328341. The reversal of 23328331 is 13382332.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23328331 - 2³ = 23328323 is a prime.

It is a super-2 number, since 2×23328331² = 1088422054491122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23328296 and 23328305.

It is not an unprimeable number, because it can be changed into a prime (23328311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11280 + ... + 13186.

It is an arithmetic number, because the mean of its divisors is an integer number (3145338).

Almost surely, 2^23328331 is an apocalyptic number.

23328331 is a deficient number, since it is larger than the sum of its proper divisors (1834373).

23328331 is a wasteful number, since it uses less digits than its factorization.

23328331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861.

The product of its digits is 2592, while the sum is 25.

The square root of 23328331 is about 4829.9410969493. The cubic root of 23328331 is about 285.7335407618.

The spelling of 23328331 in words is "twenty-three million, three hundred twenty-eight thousand, three hundred thirty-one".