23112112 has 40 divisors (see below), whose sum is σ = 48961152. Its totient is φ = 10521600.

The previous prime is 23112083. The next prime is 23112121. The reversal of 23112112 is 21121132.

It is a super-2 number, since 2×23112112² = 1068339442201088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23112092 and 23112101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062 + ... + 9802.

Almost surely, 2^23112112 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 23112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24480576).

23112112 is an abundant number, since it is smaller than the sum of its proper divisors (25849040).

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

23112112 is a wasteful number, since it uses less digits than its factorization.

23112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2791 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 23112112 is about 4807.5057982284. The cubic root of 23112112 is about 284.8480240313.

Adding to 23112112 its reverse (21121132), we get a palindrome (44233244).

The spelling of 23112112 in words is "twenty-three million, one hundred twelve thousand, one hundred twelve".