23855109 has 8 divisors (see below), whose sum is σ = 32116032. Its totient is φ = 15748800.

The previous prime is 23855101. The next prime is 23855119. The reversal of 23855109 is 90155832.

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

It is not a de Polignac number, because 23855109 - 2³ = 23855101 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23855109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23855101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38292 + ... + 38909.

It is an arithmetic number, because the mean of its divisors is an integer number (4014504).

Almost surely, 2^23855109 is an apocalyptic number.

It is an amenable number.

23855109 is a deficient number, since it is larger than the sum of its proper divisors (8260923).

23855109 is a wasteful number, since it uses less digits than its factorization.

23855109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77307.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 23855109 is about 4884.1692231126. The cubic root of 23855109 is about 287.8682726099.

The spelling of 23855109 in words is "twenty-three million, eight hundred fifty-five thousand, one hundred nine".