23145112 has 16 divisors (see below), whose sum is σ = 43782840. Its totient is φ = 11469696.

The previous prime is 23145071. The next prime is 23145113. The reversal of 23145112 is 21154132.

It is a self number, because there is not a number n which added to its sum of digits gives 23145112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11898 + ... + 13705.

Almost surely, 2^23145112 is an apocalyptic number.

It is an amenable number.

23145112 is a deficient number, since it is larger than the sum of its proper divisors (20637728).

23145112 is a wasteful number, since it uses less digits than its factorization.

23145112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25722 (or 25718 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 23145112 is about 4810.9367071289. The cubic root of 23145112 is about 284.9835303912.

Adding to 23145112 its reverse (21154132), we get a palindrome (44299244).

The spelling of 23145112 in words is "twenty-three million, one hundred forty-five thousand, one hundred twelve".