423231004 has 48 divisors (see below), whose sum is σ = 929779200. Its totient is φ = 164362176.

The previous prime is 423230933. The next prime is 423231007. The reversal of 423231004 is 400132324.

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 (423231007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5059 + ... + 29530.

It is an arithmetic number, because the mean of its divisors is an integer number (19370400).

Almost surely, 2^423231004 is an apocalyptic number.

It is an amenable number.

423231004 is an abundant number, since it is smaller than the sum of its proper divisors (506548196).

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

423231004 is a wasteful number, since it uses less digits than its factorization.

423231004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34642 (or 34640 counting only the distinct ones).

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

The square root of 423231004 is about 20572.5789341055. The cubic root of 423231004 is about 750.8026985196.

Adding to 423231004 its reverse (400132324), we get a palindrome (823363328).

The spelling of 423231004 in words is "four hundred twenty-three million, two hundred thirty-one thousand, four".