1004043423 has 16 divisors (see below), whose sum is σ = 1390435200. Its totient is φ = 643692000.

The previous prime is 1004043419. The next prime is 1004043437. The reversal of 1004043423 is 3243404001.

It is not a de Polignac number, because 1004043423 - 2² = 1004043419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1004043423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004043413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153 + ... + 44826.

It is an arithmetic number, because the mean of its divisors is an integer number (86902200).

Almost surely, 2^1004043423 is an apocalyptic number.

1004043423 is a deficient number, since it is larger than the sum of its proper divisors (386391777).

1004043423 is a wasteful number, since it uses less digits than its factorization.

1004043423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46262.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1004043423 is about 31686.6442369652. The cubic root of 1004043423 is about 1001.3459951509.

Adding to 1004043423 its reverse (3243404001), we get a palindrome (4247447424).

The spelling of 1004043423 in words is "one billion, four million, forty-three thousand, four hundred twenty-three".