2112023 has 4 divisors (see below), whose sum is σ = 2147880. Its totient is φ = 2076168.

The previous prime is 2112017. The next prime is 2112053. The reversal of 2112023 is 3202112.

It is a happy number.

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 2112023 - 2⁴ = 2112007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111995 and 2112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112013) 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, 17840 + ... + 17957.

It is an arithmetic number, because the mean of its divisors is an integer number (536970).

2^2112023 is an apocalyptic number.

2112023 is a deficient number, since it is larger than the sum of its proper divisors (35857).

2112023 is an equidigital number, since it uses as much as digits as its factorization.

2112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35856.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2112023 is about 1453.2800831223. The cubic root of 2112023 is about 128.3018389386.

Adding to 2112023 its reverse (3202112), we get a palindrome (5314135).

The spelling of 2112023 in words is "two million, one hundred twelve thousand, twenty-three".