2023443 has 12 divisors (see below), whose sum is σ = 3076840. Its totient is φ = 1277856.

The previous prime is 2023433. The next prime is 2023447. The reversal of 2023443 is 3443202.

It is not a de Polignac number, because 2023443 - 2¹⁸ = 1761299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2023447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5746 + ... + 6087.

2^2023443 is an apocalyptic number.

2023443 is a deficient number, since it is larger than the sum of its proper divisors (1053397).

2023443 is a wasteful number, since it uses less digits than its factorization.

2023443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11858 (or 11855 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2023443 is about 1422.4777678403. The cubic root of 2023443 is about 126.4824661810.

Adding to 2023443 its reverse (3443202), we get a palindrome (5466645).

The spelling of 2023443 in words is "two million, twenty-three thousand, four hundred forty-three".