23112312 has 32 divisors (see below), whose sum is σ = 57915600. Its totient is φ = 7686144.

The previous prime is 23112289. The next prime is 23112317. The reversal of 23112312 is 21321132.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23112291 and 23112300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13014 + ... + 14682.

Almost surely, 2^23112312 is an apocalyptic number.

It is an amenable number.

23112312 is an abundant number, since it is smaller than the sum of its proper divisors (34803288).

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

23112312 is a wasteful number, since it uses less digits than its factorization.

23112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255 (or 2251 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 23112312 is about 4807.5265989904. The cubic root of 23112312 is about 284.8488456704.

Adding to 23112312 its reverse (21321132), we get a palindrome (44433444).

The spelling of 23112312 in words is "twenty-three million, one hundred twelve thousand, three hundred twelve".