2044023 has 4 divisors (see below), whose sum is σ = 2725368. Its totient is φ = 1362680.

The previous prime is 2044013. The next prime is 2044027. The reversal of 2044023 is 3204402.

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 2044023 - 2⁶ = 2043959 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2043993 and 2044011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340668 + ... + 340673.

It is an arithmetic number, because the mean of its divisors is an integer number (681342).

2^2044023 is an apocalyptic number.

2044023 is a deficient number, since it is larger than the sum of its proper divisors (681345).

2044023 is an equidigital number, since it uses as much as digits as its factorization.

2044023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681344.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2044023 is about 1429.6933237586. The cubic root of 2044023 is about 126.9098291464.

Adding to 2044023 its reverse (3204402), we get a palindrome (5248425).

The spelling of 2044023 in words is "two million, forty-four thousand, twenty-three".