423321002 has 12 divisors (see below), whose sum is σ = 687584070. Its totient is φ = 195378768.

The previous prime is 423321001. The next prime is 423321037. The reversal of 423321002 is 200123324.

It can be written as a sum of positive squares in 3 ways, for example, as 301682161 + 121638841 = 17369^2 + 11029^2 .

It is not an unprimeable number, because it can be changed into a prime (423321001) 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 5 ways as a sum of consecutive naturals, for example, 625877 + ... + 626552.

Almost surely, 2^423321002 is an apocalyptic number.

423321002 is a deficient number, since it is larger than the sum of its proper divisors (264263068).

423321002 is a wasteful number, since it uses less digits than its factorization.

423321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252457 (or 1252444 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 423321002 is about 20574.7661469092. The cubic root of 423321002 is about 750.8559129199.

Adding to 423321002 its reverse (200123324), we get a palindrome (623444326).

It can be divided in two parts, 42332 and 1002, that added together give a palindrome (43334).

The spelling of 423321002 in words is "four hundred twenty-three million, three hundred twenty-one thousand, two".