112311543 has 16 divisors (see below), whose sum is σ = 155251712. Its totient is φ = 72144000.

The previous prime is 112311541. The next prime is 112311557. The reversal of 112311543 is 345113211.

It is not a de Polignac number, because 112311543 - 2¹ = 112311541 is a prime.

It is a super-2 number, since 2×112311543² = 25227765382081698, which contains 22 as substring.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112311541) 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, 19908 + ... + 24918.

It is an arithmetic number, because the mean of its divisors is an integer number (9703232).

Almost surely, 2^112311543 is an apocalyptic number.

112311543 is a deficient number, since it is larger than the sum of its proper divisors (42940169).

112311543 is a wasteful number, since it uses less digits than its factorization.

112311543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286.

The product of its digits is 360, while the sum is 21.

The square root of 112311543 is about 10597.7140459629. The cubic root of 112311543 is about 482.4749812974.

Adding to 112311543 its reverse (345113211), we get a palindrome (457424754).

It can be divided in two parts, 112 and 311543, that added together give a triangular number (311655 = T₇₈₉).

The spelling of 112311543 in words is "one hundred twelve million, three hundred eleven thousand, five hundred forty-three".