23105112 has 64 divisors (see below), whose sum is σ = 60588000. Its totient is φ = 7332864.

The previous prime is 23105107. The next prime is 23105113. The reversal of 23105112 is 21150132.

It is a junction number, because it is equal to n+sod(n) for n = 23105091 and 23105100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23105113) 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, 61758 + ... + 62130.

Almost surely, 2^23105112 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 23105112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30294000).

23105112 is an abundant number, since it is smaller than the sum of its proper divisors (37482888).

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

23105112 is a wasteful number, since it uses less digits than its factorization.

23105112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 23105112 is about 4806.7777148522. Note that the first 4 decimals coincide. The cubic root of 23105112 is about 284.8192636783.

Adding to 23105112 its reverse (21150132), we get a palindrome (44255244).

The spelling of 23105112 in words is "twenty-three million, one hundred five thousand, one hundred twelve".