243202424 has 8 divisors (see below), whose sum is σ = 456004560. Its totient is φ = 121601208.

The previous prime is 243202423. The next prime is 243202433. The reversal of 243202424 is 424202342.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 243202424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243202423) by changing a digit.

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 as a sum of consecutive naturals, namely, 15200144 + ... + 15200159.

It is an arithmetic number, because the mean of its divisors is an integer number (57000570).

Almost surely, 2^243202424 is an apocalyptic number.

It is an amenable number.

243202424 is a deficient number, since it is larger than the sum of its proper divisors (212802136).

243202424 is a wasteful number, since it uses less digits than its factorization.

243202424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30400309 (or 30400305 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 243202424 is about 15594.9486693609. The cubic root of 243202424 is about 624.1983740863.

Adding to 243202424 its reverse (424202342), we get a palindrome (667404766).

The spelling of 243202424 in words is "two hundred forty-three million, two hundred two thousand, four hundred twenty-four".