112340213243 has 4 divisors (see below), whose sum is σ = 113602462920. Its totient is φ = 111077963568.

The previous prime is 112340213177. The next prime is 112340213269. The reversal of 112340213243 is 342312043211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112340213243 - 2²⁸ = 112071777787 is a prime.

It is a super-2 number, since 2×112340213243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112340213743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631124705 + ... + 631124882.

It is an arithmetic number, because the mean of its divisors is an integer number (28400615730).

Almost surely, 2^112340213243 is an apocalyptic number.

112340213243 is a deficient number, since it is larger than the sum of its proper divisors (1262249677).

112340213243 is an equidigital number, since it uses as much as digits as its factorization.

112340213243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262249676.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 112340213243 its reverse (342312043211), we get a palindrome (454652256454).

The spelling of 112340213243 in words is "one hundred twelve billion, three hundred forty million, two hundred thirteen thousand, two hundred forty-three".