243432436 has 24 divisors (see below), whose sum is σ = 459812864. Its totient is φ = 112099680.

The previous prime is 243432421. The next prime is 243432463. The reversal of 243432436 is 634234342.

It is a junction number, because it is equal to n+sod(n) for n = 243432398 and 243432407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19021 + ... + 29131.

Almost surely, 2^243432436 is an apocalyptic number.

243432436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

243432436 is a deficient number, since it is larger than the sum of its proper divisors (216380428).

243432436 is a wasteful number, since it uses less digits than its factorization.

243432436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591 (or 10589 counting only the distinct ones).

The product of its digits is 41472, while the sum is 31.

The square root of 243432436 is about 15602.3214939316. The cubic root of 243432436 is about 624.3950934498.

Adding to 243432436 its reverse (634234342), we get a palindrome (877666778).

The spelling of 243432436 in words is "two hundred forty-three million, four hundred thirty-two thousand, four hundred thirty-six".