423421302 has 16 divisors (see below), whose sum is σ = 853512192. Its totient is φ = 140028840.

The previous prime is 423421267. The next prime is 423421331. The reversal of 423421302 is 203124324.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 277074 + ... + 278597.

It is an arithmetic number, because the mean of its divisors is an integer number (53344512).

Almost surely, 2^423421302 is an apocalyptic number.

423421302 is an abundant number, since it is smaller than the sum of its proper divisors (430090890).

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

423421302 is a wasteful number, since it uses less digits than its factorization.

423421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555803.

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

The square root of 423421302 is about 20577.2034543084. The cubic root of 423421302 is about 750.9152098448.

Adding to 423421302 its reverse (203124324), we get a palindrome (626545626).

The spelling of 423421302 in words is "four hundred twenty-three million, four hundred twenty-one thousand, three hundred two".