23340009 has 48 divisors (see below), whose sum is σ = 40771584. Its totient is φ = 11536800.

The previous prime is 23340001. The next prime is 23340011. The reversal of 23340009 is 90004332.

It is not a de Polignac number, because 23340009 - 2³ = 23340001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23340001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122104 + ... + 122294.

It is an arithmetic number, because the mean of its divisors is an integer number (849408).

Almost surely, 2^23340009 is an apocalyptic number.

It is an amenable number.

23340009 is a deficient number, since it is larger than the sum of its proper divisors (17431575).

23340009 is a wasteful number, since it uses less digits than its factorization.

23340009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23340009 is about 4831.1498631278. The cubic root of 23340009 is about 285.7812115482.

The spelling of 23340009 in words is "twenty-three million, three hundred forty thousand, nine".