23649109 has 8 divisors (see below), whose sum is σ = 26050752. Its totient is φ = 21289440.

The previous prime is 23649103. The next prime is 23649127. The reversal of 23649109 is 90194632.

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 23649109 - 2⁷ = 23648981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23649103) 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, 9304 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (3256344).

Almost surely, 2^23649109 is an apocalyptic number.

It is an amenable number.

23649109 is a deficient number, since it is larger than the sum of its proper divisors (2401643).

23649109 is a wasteful number, since it uses less digits than its factorization.

23649109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20987.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 23649109 is about 4863.0349577193. The cubic root of 23649109 is about 287.0372502812.

The spelling of 23649109 in words is "twenty-three million, six hundred forty-nine thousand, one hundred nine".