1004423423 has 4 divisors (see below), whose sum is σ = 1031570040. Its totient is φ = 977276808.

The previous prime is 1004423419. The next prime is 1004423449. The reversal of 1004423423 is 3243244001.

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 1004423423 - 2² = 1004423419 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 (1004443423) 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, 13573253 + ... + 13573326.

It is an arithmetic number, because the mean of its divisors is an integer number (257892510).

Almost surely, 2^1004423423 is an apocalyptic number.

1004423423 is a deficient number, since it is larger than the sum of its proper divisors (27146617).

1004423423 is an equidigital number, since it uses as much as digits as its factorization.

1004423423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27146616.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1004423423 is about 31692.6398868886. The cubic root of 1004423423 is about 1001.4723055858.

Adding to 1004423423 its reverse (3243244001), we get a palindrome (4247667424).

The spelling of 1004423423 in words is "one billion, four million, four hundred twenty-three thousand, four hundred twenty-three".