112423891 has 2 divisors, whose sum is σ = 112423892. Its totient is φ = 112423890.

The previous prime is 112423867. The next prime is 112423901. The reversal of 112423891 is 198324211.

It is a strong prime.

It is an emirp because it is prime and its reverse (198324211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112423891 is a prime.

It is not a weakly prime, because it can be changed into another prime (112423811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56211945 + 56211946.

It is an arithmetic number, because the mean of its divisors is an integer number (56211946).

Almost surely, 2^112423891 is an apocalyptic number.

112423891 is a deficient number, since it is larger than the sum of its proper divisors (1).

112423891 is an equidigital number, since it uses as much as digits as its factorization.

112423891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 112423891 is about 10603.0132981148. The cubic root of 112423891 is about 482.6358048825.

The spelling of 112423891 in words is "one hundred twelve million, four hundred twenty-three thousand, eight hundred ninety-one".