112005423 has 40 divisors (see below), whose sum is σ = 177724800. Its totient is φ = 70144272.

The previous prime is 112005419. The next prime is 112005451. The reversal of 112005423 is 324500211.

112005423 is a `hidden beast` number, since 1 + 120 + 0 + 542 + 3 = 666.

It is not a de Polignac number, because 112005423 - 2² = 112005419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112005396 and 112005405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112005493) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 109408 + ... + 110426.

It is an arithmetic number, because the mean of its divisors is an integer number (4443120).

Almost surely, 2^112005423 is an apocalyptic number.

112005423 is a deficient number, since it is larger than the sum of its proper divisors (65719377).

112005423 is a wasteful number, since it uses less digits than its factorization.

112005423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 112005423 is about 10583.2614538241. The cubic root of 112005423 is about 482.0362325913.

Adding to 112005423 its reverse (324500211), we get a palindrome (436505634).

The spelling of 112005423 in words is "one hundred twelve million, five thousand, four hundred twenty-three".