112123111231 has 8 divisors (see below), whose sum is σ = 113637660480. Its totient is φ = 110610943872.

The previous prime is 112123111223. The next prime is 112123111237. The reversal of 112123111231 is 132111321211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112123111231 - 2³ = 112123111223 is a prime.

It is a super-2 number, since 2×112123111231² (a number of 23 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 = 112123111199 and 112123111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112123111237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500590 + ... + 689083.

It is an arithmetic number, because the mean of its divisors is an integer number (14204707560).

Almost surely, 2^112123111231 is an apocalyptic number.

112123111231 is a deficient number, since it is larger than the sum of its proper divisors (1514549249).

112123111231 is a wasteful number, since it uses less digits than its factorization.

112123111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190945.

The product of its digits is 72, while the sum is 19.

Adding to 112123111231 its reverse (132111321211), we get a palindrome (244234432442).

The spelling of 112123111231 in words is "one hundred twelve billion, one hundred twenty-three million, one hundred eleven thousand, two hundred thirty-one".