2112222423 has 8 divisors (see below), whose sum is σ = 2816654848. Its totient is φ = 1407969144.

The previous prime is 2112222421. The next prime is 2112222451. The reversal of 2112222423 is 3242222112.

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

It is not a de Polignac number, because 2112222423 - 2¹ = 2112222421 is a prime.

It is a super-2 number, since 2×2112222423² = 8922967128447981858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112222423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112222421) 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, 14311 + ... + 66552.

It is an arithmetic number, because the mean of its divisors is an integer number (352081856).

Almost surely, 2^2112222423 is an apocalyptic number.

2112222423 is a deficient number, since it is larger than the sum of its proper divisors (704432425).

2112222423 is an equidigital number, since it uses as much as digits as its factorization.

2112222423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89573.

The product of its digits is 768, while the sum is 21.

The square root of 2112222423 is about 45958.9210382489. The cubic root of 2112222423 is about 1283.0587701527.

Adding to 2112222423 its reverse (3242222112), we get a palindrome (5354444535).

The spelling of 2112222423 in words is "two billion, one hundred twelve million, two hundred twenty-two thousand, four hundred twenty-three".