112161723 has 4 divisors (see below), whose sum is σ = 149548968. Its totient is φ = 74774480.

The previous prime is 112161719. The next prime is 112161793. The reversal of 112161723 is 327161211.

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 112161723 - 2² = 112161719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112161693 and 112161702.

It is not an unprimeable number, because it can be changed into a prime (112161793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18693618 + ... + 18693623.

It is an arithmetic number, because the mean of its divisors is an integer number (37387242).

Almost surely, 2^112161723 is an apocalyptic number.

112161723 is a deficient number, since it is larger than the sum of its proper divisors (37387245).

112161723 is an equidigital number, since it uses as much as digits as its factorization.

112161723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37387244.

The product of its digits is 504, while the sum is 24.

The square root of 112161723 is about 10590.6431816014. The cubic root of 112161723 is about 482.2603504432.

The spelling of 112161723 in words is "one hundred twelve million, one hundred sixty-one thousand, seven hundred twenty-three".