2112323023 has 4 divisors (see below), whose sum is σ = 2116473480. Its totient is φ = 2108172568.

The previous prime is 2112323011. The next prime is 2112323027. The reversal of 2112323023 is 3203232112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112323023 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 (2112323027) 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, 2074465 + ... + 2075482.

It is an arithmetic number, because the mean of its divisors is an integer number (529118370).

Almost surely, 2^2112323023 is an apocalyptic number.

2112323023 is a deficient number, since it is larger than the sum of its proper divisors (4150457).

2112323023 is an equidigital number, since it uses as much as digits as its factorization.

2112323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150456.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2112323023 is about 45960.0154808503. The cubic root of 2112323023 is about 1283.0791394821.

Adding to 2112323023 its reverse (3203232112), we get a palindrome (5315555135).

The spelling of 2112323023 in words is "two billion, one hundred twelve million, three hundred twenty-three thousand, twenty-three".