2004023 has 4 divisors (see below), whose sum is σ = 2290320. Its totient is φ = 1717728.

The previous prime is 2004017. The next prime is 2004029. The reversal of 2004023 is 3204002.

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

It is an interprime number because it is at equal distance from previous prime (2004017) and next prime (2004029).

It is a cyclic number.

It is not a de Polignac number, because 2004023 - 2⁴ = 2004007 is a prime.

It is a super-2 number, since 2×2004023² = 8032216369058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003995 and 2004013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004029) 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, 143138 + ... + 143151.

It is an arithmetic number, because the mean of its divisors is an integer number (572580).

2^2004023 is an apocalyptic number.

2004023 is a deficient number, since it is larger than the sum of its proper divisors (286297).

2004023 is an equidigital number, since it uses as much as digits as its factorization.

2004023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286296.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2004023 is about 1415.6351931200. The cubic root of 2004023 is about 126.0765261168.

Adding to 2004023 its reverse (3204002), we get a palindrome (5208025).

The spelling of 2004023 in words is "two million, four thousand, twenty-three".