28323112 has 16 divisors (see below), whose sum is σ = 53464500. Its totient is φ = 14065920.

The previous prime is 28323109. The next prime is 28323131. The reversal of 28323112 is 21132382.

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 1012036 = 5226^2 + 1006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10689 + ... + 13072.

Almost surely, 2^28323112 is an apocalyptic number.

It is an amenable number.

28323112 is a deficient number, since it is larger than the sum of its proper divisors (25141388).

28323112 is a wasteful number, since it uses less digits than its factorization.

28323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916 (or 23912 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 28323112 is about 5321.9462605329. The cubic root of 28323112 is about 304.8224784390.

Adding to 28323112 its reverse (21132382), we get a palindrome (49455494).

The spelling of 28323112 in words is "twenty-eight million, three hundred twenty-three thousand, one hundred twelve".