1004204023 has 4 divisors (see below), whose sum is σ = 1004270400. Its totient is φ = 1004137648.

The previous prime is 1004203873. The next prime is 1004204027. The reversal of 1004204023 is 3204024001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004204023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004203988 and 1004204006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004204027) 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, 1803 + ... + 44851.

It is an arithmetic number, because the mean of its divisors is an integer number (251067600).

Almost surely, 2^1004204023 is an apocalyptic number.

1004204023 is a deficient number, since it is larger than the sum of its proper divisors (66377).

1004204023 is an equidigital number, since it uses as much as digits as its factorization.

1004204023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66376.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1004204023 is about 31689.1783263625. The cubic root of 1004204023 is about 1001.3993818171.

Adding to 1004204023 its reverse (3204024001), we get a palindrome (4208228024).

The spelling of 1004204023 in words is "one billion, four million, two hundred four thousand, twenty-three".