23110056 has 64 divisors (see below), whose sum is σ = 64915200. Its totient is φ = 7617024.

The previous prime is 23110051. The next prime is 23110057. The reversal of 23110056 is 65001132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23110051) 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, 20401 + ... + 21503.

It is an arithmetic number, because the mean of its divisors is an integer number (1014300).

Almost surely, 2^23110056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23110056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32457600).

23110056 is an abundant number, since it is smaller than the sum of its proper divisors (41805144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23110056 is a wasteful number, since it uses less digits than its factorization.

23110056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 23110056 is about 4807.2919611773. The cubic root of 23110056 is about 284.8395773072.

Adding to 23110056 its reverse (65001132), we get a palindrome (88111188).

The spelling of 23110056 in words is "twenty-three million, one hundred ten thousand, fifty-six".