423041004 has 144 divisors (see below), whose sum is σ = 1182504960. Its totient is φ = 127008000.

The previous prime is 423040987. The next prime is 423041011. The reversal of 423041004 is 400140324.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1505344 + ... + 1505624.

It is an arithmetic number, because the mean of its divisors is an integer number (8211840).

Almost surely, 2^423041004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423041004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591252480).

423041004 is an abundant number, since it is smaller than the sum of its proper divisors (759463956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423041004 is a wasteful number, since it uses less digits than its factorization.

423041004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 423041004 is about 20567.9606183987. The cubic root of 423041004 is about 750.6903297315.

Adding to 423041004 its reverse (400140324), we get a palindrome (823181328).

The spelling of 423041004 in words is "four hundred twenty-three million, forty-one thousand, four".