423421300 has 18 divisors (see below), whose sum is σ = 918824438. Its totient is φ = 169368480.

The previous prime is 423421267. The next prime is 423421331. The reversal of 423421300 is 3124324.

It can be written as a sum of positive squares in 3 ways, for example, as 93199716 + 330221584 = 9654^2 + 18172^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2117007 + ... + 2117206.

Almost surely, 2^423421300 is an apocalyptic number.

It is an amenable number.

423421300 is an abundant number, since it is smaller than the sum of its proper divisors (495403138).

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

423421300 is a wasteful number, since it uses less digits than its factorization.

423421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234227 (or 4234220 counting only the distinct ones).

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

The square root of 423421300 is about 20577.2034057109. The cubic root of 423421300 is about 750.9152086625.

Adding to 423421300 its reverse (3124324), we get a palindrome (426545624).

The spelling of 423421300 in words is "four hundred twenty-three million, four hundred twenty-one thousand, three hundred".