23328329 has 4 divisors (see below), whose sum is σ = 23345280. Its totient is φ = 23311380.

The previous prime is 23328323. The next prime is 23328341. The reversal of 23328329 is 92382332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23328329 - 2¹⁶ = 23262793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23328295 and 23328304.

It is not an unprimeable number, because it can be changed into a prime (23328323) 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, 6209 + ... + 9230.

It is an arithmetic number, because the mean of its divisors is an integer number (5836320).

Almost surely, 2^23328329 is an apocalyptic number.

It is an amenable number.

23328329 is a deficient number, since it is larger than the sum of its proper divisors (16951).

23328329 is a wasteful number, since it uses less digits than its factorization.

23328329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16950.

The product of its digits is 15552, while the sum is 32.

The square root of 23328329 is about 4829.9408899075. The cubic root of 23328329 is about 285.7335325963.

The spelling of 23328329 in words is "twenty-three million, three hundred twenty-eight thousand, three hundred twenty-nine".