2023812 has 48 divisors (see below), whose sum is σ = 5998720. Its totient is φ = 578016.

The previous prime is 2023811. The next prime is 2023817. The reversal of 2023812 is 2183202.

It is a happy number.

It is a super-2 number, since 2×2023812² = 8191630022688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2023811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583 + ... + 2094.

2^2023812 is an apocalyptic number.

It is an amenable number.

2023812 is an abundant number, since it is smaller than the sum of its proper divisors (3974908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023812 is a wasteful number, since it uses less digits than its factorization.

2023812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2023812 is about 1422.6074651850. The cubic root of 2023812 is about 126.4901542640.

It can be divided in two parts, 20 and 23812, that added together give a palindrome (23832).

The spelling of 2023812 in words is "two million, twenty-three thousand, eight hundred twelve".