23909055 has 16 divisors (see below), whose sum is σ = 40505184. Its totient is φ = 12001280.

The previous prime is 23909051. The next prime is 23909069. The reversal of 23909055 is 55090932.

It is not a de Polignac number, because 23909055 - 2² = 23909051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23909051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46626 + ... + 47135.

It is an arithmetic number, because the mean of its divisors is an integer number (2531574).

Almost surely, 2^23909055 is an apocalyptic number.

23909055 is a deficient number, since it is larger than the sum of its proper divisors (16596129).

23909055 is a wasteful number, since it uses less digits than its factorization.

23909055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93786.

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 23909055 is about 4889.6886403942. The cubic root of 23909055 is about 288.0851045750.

Adding to 23909055 its reverse (55090932), we get a palindrome (78999987).

The spelling of 23909055 in words is "twenty-three million, nine hundred nine thousand, fifty-five".