2112423 has 4 divisors (see below), whose sum is σ = 2816568. Its totient is φ = 1408280.

The previous prime is 2112419. The next prime is 2112469. The reversal of 2112423 is 3242112.

2112423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2112423 - 2² = 2112419 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 1 + 2¹³ + 4 + 2²¹ + 3⁸ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352068 + ... + 352073.

It is an arithmetic number, because the mean of its divisors is an integer number (704142).

2^2112423 is an apocalyptic number.

2112423 is a deficient number, since it is larger than the sum of its proper divisors (704145).

2112423 is an equidigital number, since it uses as much as digits as its factorization.

2112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704144.

The product of its digits is 96, while the sum is 15.

The square root of 2112423 is about 1453.4176963282. The cubic root of 2112423 is about 128.3099382027.

Adding to 2112423 its reverse (3242112), we get a palindrome (5354535).

The spelling of 2112423 in words is "two million, one hundred twelve thousand, four hundred twenty-three".