112543403 has 16 divisors (see below), whose sum is σ = 140064000. Its totient is φ = 88234272.

The previous prime is 112543399. The next prime is 112543411. The reversal of 112543403 is 304345211.

It is not a de Polignac number, because 112543403 - 2² = 112543399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112543493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10733 + ... + 18446.

It is an arithmetic number, because the mean of its divisors is an integer number (8754000).

Almost surely, 2^112543403 is an apocalyptic number.

112543403 is a deficient number, since it is larger than the sum of its proper divisors (27520597).

112543403 is a wasteful number, since it uses less digits than its factorization.

112543403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29234.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 112543403 is about 10608.6475575353. The cubic root of 112543403 is about 482.8067660033.

Adding to 112543403 its reverse (304345211), we get a palindrome (416888614).

The spelling of 112543403 in words is "one hundred twelve million, five hundred forty-three thousand, four hundred three".