23424909 has 8 divisors (see below), whose sum is σ = 31272192. Its totient is φ = 15597120.

The previous prime is 23424901. The next prime is 23424913. The reversal of 23424909 is 90942432.

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

It is not a de Polignac number, because 23424909 - 2³ = 23424901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23424909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23424901) 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, 1789 + ... + 7074.

It is an arithmetic number, because the mean of its divisors is an integer number (3909024).

Almost surely, 2^23424909 is an apocalyptic number.

It is an amenable number.

23424909 is a deficient number, since it is larger than the sum of its proper divisors (7847283).

23424909 is an equidigital number, since it uses as much as digits as its factorization.

23424909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9747.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 23424909 is about 4839.9286151761. The cubic root of 23424909 is about 286.1273048916.

The spelling of 23424909 in words is "twenty-three million, four hundred twenty-four thousand, nine hundred nine".