23240609 has 8 divisors (see below), whose sum is σ = 26589888. Its totient is φ = 19898640.

The previous prime is 23240549. The next prime is 23240617. The reversal of 23240609 is 90604232.

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 23240609 - 2¹² = 23236513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23240639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11234 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (3323736).

Almost surely, 2^23240609 is an apocalyptic number.

It is an amenable number.

23240609 is a deficient number, since it is larger than the sum of its proper divisors (3349279).

23240609 is a wasteful number, since it uses less digits than its factorization.

23240609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23240609 is about 4820.8514808071. The cubic root of 23240609 is about 285.3749410105.

The spelling of 23240609 in words is "twenty-three million, two hundred forty thousand, six hundred nine".