243420032 has 16 divisors (see below), whose sum is σ = 484938600. Its totient is φ = 121709952.

The previous prime is 243419989. The next prime is 243420041. The reversal of 243420032 is 230024342.

243420032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 243419986 and 243420013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950732 + ... + 950987.

Almost surely, 2^243420032 is an apocalyptic number.

It is an amenable number.

243420032 is a deficient number, since it is larger than the sum of its proper divisors (241518568).

243420032 is an equidigital number, since it uses as much as digits as its factorization.

243420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901733 (or 1901721 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243420032 is about 15601.9239839194. The cubic root of 243420032 is about 624.3844880043.

Adding to 243420032 its reverse (230024342), we get a palindrome (473444374).

The spelling of 243420032 in words is "two hundred forty-three million, four hundred twenty thousand, thirty-two".