112321143 has 12 divisors (see below), whose sum is σ = 176991048. Its totient is φ = 68073360.

The previous prime is 112321133. The next prime is 112321163. The reversal of 112321143 is 341123211.

It is not a de Polignac number, because 112321143 - 2⁴ = 112321127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112321133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567180 + ... + 567377.

It is an arithmetic number, because the mean of its divisors is an integer number (14749254).

Almost surely, 2^112321143 is an apocalyptic number.

112321143 is a deficient number, since it is larger than the sum of its proper divisors (64669905).

112321143 is a wasteful number, since it uses less digits than its factorization.

112321143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134574 (or 1134571 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 112321143 is about 10598.1669641500. The cubic root of 112321143 is about 482.4887276667.

Adding to 112321143 its reverse (341123211), we get a palindrome (453444354).

The spelling of 112321143 in words is "one hundred twelve million, three hundred twenty-one thousand, one hundred forty-three".