243040030 has 8 divisors (see below), whose sum is σ = 437472072. Its totient is φ = 97216008.

The previous prime is 243040003. The next prime is 243040067. The reversal of 243040030 is 30040342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 243039986 and 243040013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12151992 + ... + 12152011.

It is an arithmetic number, because the mean of its divisors is an integer number (54684009).

Almost surely, 2^243040030 is an apocalyptic number.

243040030 is a deficient number, since it is larger than the sum of its proper divisors (194432042).

243040030 is a wasteful number, since it uses less digits than its factorization.

243040030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24304010.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 243040030 is about 15589.7411780953. The cubic root of 243040030 is about 624.0594107772.

Adding to 243040030 its reverse (30040342), we get a palindrome (273080372).

The spelling of 243040030 in words is "two hundred forty-three million, forty thousand, thirty".