2004423031 has 16 divisors (see below), whose sum is σ = 2282207200. Its totient is φ = 1745152128.

The previous prime is 2004423019. The next prime is 2004423077. The reversal of 2004423031 is 1303244002.

It is not a de Polignac number, because 2004423031 - 2¹⁵ = 2004390263 is a prime.

It is a super-2 number, since 2×2004423031² = 8035423374406453922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004423331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38845 + ... + 74281.

It is an arithmetic number, because the mean of its divisors is an integer number (142637950).

Almost surely, 2^2004423031 is an apocalyptic number.

2004423031 is a deficient number, since it is larger than the sum of its proper divisors (277784169).

2004423031 is a wasteful number, since it uses less digits than its factorization.

2004423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35698.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2004423031 is about 44770.7832296912. The cubic root of 2004423031 is about 1260.8491443758.

Adding to 2004423031 its reverse (1303244002), we get a palindrome (3307667033).

The spelling of 2004423031 in words is "two billion, four million, four hundred twenty-three thousand, thirty-one".