420323304 has 16 divisors (see below), whose sum is σ = 1050808320. Its totient is φ = 140107760.

The previous prime is 420323291. The next prime is 420323333. The reversal of 420323304 is 403323024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8756712 + ... + 8756759.

It is an arithmetic number, because the mean of its divisors is an integer number (65675520).

Almost surely, 2^420323304 is an apocalyptic number.

It is an amenable number.

420323304 is an abundant number, since it is smaller than the sum of its proper divisors (630485016).

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

420323304 is a wasteful number, since it uses less digits than its factorization.

420323304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513480 (or 17513476 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 420323304 is about 20501.7878244801. The cubic root of 420323304 is about 749.0793467704.

Adding to 420323304 its reverse (403323024), we get a palindrome (823646328).

The spelling of 420323304 in words is "four hundred twenty million, three hundred twenty-three thousand, three hundred four".