243622430 has 32 divisors (see below), whose sum is σ = 455855904. Its totient is φ = 93661056.

The previous prime is 243622429. The next prime is 243622433. The reversal of 243622430 is 34226342.

It is a self number, because there is not a number n which added to its sum of digits gives 243622430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243622433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26744 + ... + 34676.

It is an arithmetic number, because the mean of its divisors is an integer number (14245497).

Almost surely, 2^243622430 is an apocalyptic number.

243622430 is a deficient number, since it is larger than the sum of its proper divisors (212233474).

243622430 is a wasteful number, since it uses less digits than its factorization.

243622430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 243622430 is about 15608.4089515876. The cubic root of 243622430 is about 624.5574937084.

Adding to 243622430 its reverse (34226342), we get a palindrome (277848772).

The spelling of 243622430 in words is "two hundred forty-three million, six hundred twenty-two thousand, four hundred thirty".