243432430 has 16 divisors (see below), whose sum is σ = 438927984. Its totient is φ = 97206400.

The previous prime is 243432421. The next prime is 243432463. The reversal of 243432430 is 34234342.

It is a junction number, because it is equal to n+sod(n) for n = 243432395 and 243432404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14596 + ... + 26455.

It is an arithmetic number, because the mean of its divisors is an integer number (27432999).

Almost surely, 2^243432430 is an apocalyptic number.

243432430 is a deficient number, since it is larger than the sum of its proper divisors (195495554).

243432430 is a wasteful number, since it uses less digits than its factorization.

243432430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41651.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 243432430 is about 15602.3213016525. The cubic root of 243432430 is about 624.3950883199.

Adding to 243432430 its reverse (34234342), we get a palindrome (277666772).

The spelling of 243432430 in words is "two hundred forty-three million, four hundred thirty-two thousand, four hundred thirty".