23123010112 has 56 divisors (see below), whose sum is σ = 47446387200. Its totient is φ = 11169300480.

The previous prime is 23123010107. The next prime is 23123010161. The reversal of 23123010112 is 21101032132.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178688 + ... + 1198144.

Almost surely, 2^23123010112 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 23123010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23723193600).

23123010112 is an abundant number, since it is smaller than the sum of its proper divisors (24323377088).

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

23123010112 is a wasteful number, since it uses less digits than its factorization.

23123010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20099 (or 20089 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23123010112 its reverse (21101032132), we get a palindrome (44224042244).

The spelling of 23123010112 in words is "twenty-three billion, one hundred twenty-three million, ten thousand, one hundred twelve".