23349909 has 8 divisors (see below), whose sum is σ = 33963552. Its totient is φ = 14151440.

The previous prime is 23349889. The next prime is 23349919. The reversal of 23349909 is 90994332.

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 23349909 - 2⁵ = 23349877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23349919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353754 + ... + 353819.

It is an arithmetic number, because the mean of its divisors is an integer number (4245444).

Almost surely, 2^23349909 is an apocalyptic number.

It is an amenable number.

23349909 is a deficient number, since it is larger than the sum of its proper divisors (10613643).

23349909 is a wasteful number, since it uses less digits than its factorization.

23349909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707587.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 23349909 is about 4832.1743552980. The cubic root of 23349909 is about 285.8216119050.

The spelling of 23349909 in words is "twenty-three million, three hundred forty-nine thousand, nine hundred nine".