1004434423 has 4 divisors (see below), whose sum is σ = 1004656408. Its totient is φ = 1004212440.

The previous prime is 1004434421. The next prime is 1004434427. The reversal of 1004434423 is 3244344001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3244344001 = 37 ⋅87684973.

It is a cyclic number.

It is not a de Polignac number, because 1004434423 - 2¹ = 1004434421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004434421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104061 + ... + 113302.

It is an arithmetic number, because the mean of its divisors is an integer number (251164102).

Almost surely, 2^1004434423 is an apocalyptic number.

1004434423 is a deficient number, since it is larger than the sum of its proper divisors (221985).

1004434423 is an equidigital number, since it uses as much as digits as its factorization.

1004434423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221984.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1004434423 is about 31692.8134282837. The cubic root of 1004434423 is about 1001.4759614660.

Adding to 1004434423 its reverse (3244344001), we get a palindrome (4248778424).

The spelling of 1004434423 in words is "one billion, four million, four hundred thirty-four thousand, four hundred twenty-three".