112123140523231 has 4 divisors (see below), whose sum is σ = 112123772341264. Its totient is φ = 112122508705200.

The previous prime is 112123140523213. The next prime is 112123140523241. The reversal of 112123140523231 is 132325041321211.

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 112123140523231 - 2¹³ = 112123140515039 is a prime.

It is a super-2 number, since 2×112123140523231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112123140523193 and 112123140523202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112123140523241) 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, 315642750 + ... + 315997771.

It is an arithmetic number, because the mean of its divisors is an integer number (28030943085316).

Almost surely, 2^{112123140523231} is an apocalyptic number.

112123140523231 is a deficient number, since it is larger than the sum of its proper divisors (631818033).

112123140523231 is an equidigital number, since it uses as much as digits as its factorization.

112123140523231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631818032.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 112123140523231 its reverse (132325041321211), we get a palindrome (244448181844442).

The spelling of 112123140523231 in words is "one hundred twelve trillion, one hundred twenty-three billion, one hundred forty million, five hundred twenty-three thousand, two hundred thirty-one".