23031112 has 16 divisors (see below), whose sum is σ = 46505340. Its totient is φ = 10629696.

The previous prime is 23031103. The next prime is 23031121. The reversal of 23031112 is 21113032.

It is an interprime number because it is at equal distance from previous prime (23031103) and next prime (23031121).

It can be written as a sum of positive squares in 2 ways, for example, as 22905796 + 125316 = 4786^2 + 354^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 23031092 and 23031101.

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, 110623 + ... + 110830.

Almost surely, 2^23031112 is an apocalyptic number.

It is an amenable number.

23031112 is an abundant number, since it is smaller than the sum of its proper divisors (23474228).

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

23031112 is a wasteful number, since it uses less digits than its factorization.

23031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221472 (or 221468 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23031112 is about 4799.0740773612. The cubic root of 23031112 is about 284.5148697600.

Adding to 23031112 its reverse (21113032), we get a palindrome (44144144).

The spelling of 23031112 in words is "twenty-three million, thirty-one thousand, one hundred twelve".