23329385 has 4 divisors (see below), whose sum is σ = 27995268. Its totient is φ = 18663504.

The previous prime is 23329363. The next prime is 23329403. The reversal of 23329385 is 58392332.

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 6330256 + 16999129 = 2516^2 + 4123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23329385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332934 + ... + 2332943.

It is an arithmetic number, because the mean of its divisors is an integer number (6998817).

Almost surely, 2^23329385 is an apocalyptic number.

It is an amenable number.

23329385 is a deficient number, since it is larger than the sum of its proper divisors (4665883).

23329385 is an equidigital number, since it uses as much as digits as its factorization.

23329385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665882.

The product of its digits is 38880, while the sum is 35.

The square root of 23329385 is about 4830.0502067784. The cubic root of 23329385 is about 285.7378439503.

The spelling of 23329385 in words is "twenty-three million, three hundred twenty-nine thousand, three hundred eighty-five".