112217423 has 4 divisors (see below), whose sum is σ = 112518648. Its totient is φ = 111916200.

The previous prime is 112217419. The next prime is 112217447. The reversal of 112217423 is 324712211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324712211 = 61 ⋅5323151.

It is a cyclic number.

It is not a de Polignac number, because 112217423 - 2² = 112217419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112217453) 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, 150053 + ... + 150798.

It is an arithmetic number, because the mean of its divisors is an integer number (28129662).

Almost surely, 2^112217423 is an apocalyptic number.

112217423 is a deficient number, since it is larger than the sum of its proper divisors (301225).

112217423 is an equidigital number, since it uses as much as digits as its factorization.

112217423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301224.

The product of its digits is 672, while the sum is 23.

The square root of 112217423 is about 10593.2725349629. The cubic root of 112217423 is about 482.3401680953.

Adding to 112217423 its reverse (324712211), we get a palindrome (436929634).

The spelling of 112217423 in words is "one hundred twelve million, two hundred seventeen thousand, four hundred twenty-three".