423333320 has 32 divisors (see below), whose sum is σ = 1008531000. Its totient is φ = 159372288.

The previous prime is 423333299. The next prime is 423333343. The reversal of 423333320 is 23333324.

It can be written as a sum of positive squares in 4 ways, for example, as 421973764 + 1359556 = 20542^2 + 1166^2 .

It is a super-2 number, since 2×423333320² = 358422199644444800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310595 + ... + 311954.

Almost surely, 2^423333320 is an apocalyptic number.

423333320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423333320 is an abundant number, since it is smaller than the sum of its proper divisors (585197680).

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

423333320 is a wasteful number, since it uses less digits than its factorization.

423333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622577 (or 622573 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

The square root of 423333320 is about 20575.0654919978. The cubic root of 423333320 is about 750.8631957726.

Adding to 423333320 its reverse (23333324), we get a palindrome (446666644).

The spelling of 423333320 in words is "four hundred twenty-three million, three hundred thirty-three thousand, three hundred twenty".