2000404023 has 4 divisors (see below), whose sum is σ = 2667205368. Its totient is φ = 1333602680.

The previous prime is 2000404019. The next prime is 2000404061. The reversal of 2000404023 is 3204040002.

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 2000404023 - 2² = 2000404019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000403993 and 2000404011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000404013) 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, 333400668 + ... + 333400673.

It is an arithmetic number, because the mean of its divisors is an integer number (666801342).

Almost surely, 2^2000404023 is an apocalyptic number.

2000404023 is a deficient number, since it is larger than the sum of its proper divisors (666801345).

2000404023 is an equidigital number, since it uses as much as digits as its factorization.

2000404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666801344.

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

The square root of 2000404023 is about 44725.8764363539. The cubic root of 2000404023 is about 1260.0058836964.

Adding to 2000404023 its reverse (3204040002), we get a palindrome (5204444025).

The spelling of 2000404023 in words is "two billion, four hundred four thousand, twenty-three".