243432434 has 8 divisors (see below), whose sum is σ = 417312768. Its totient is φ = 104328180.

The previous prime is 243432421. The next prime is 243432463. The reversal of 243432434 is 434234342.

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 = 243432397 and 243432406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8694002 + ... + 8694029.

It is an arithmetic number, because the mean of its divisors is an integer number (52164096).

Almost surely, 2^243432434 is an apocalyptic number.

243432434 is a deficient number, since it is larger than the sum of its proper divisors (173880334).

243432434 is a wasteful number, since it uses less digits than its factorization.

243432434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17388040.

The product of its digits is 27648, while the sum is 29.

The square root of 243432434 is about 15602.3214298386. The cubic root of 243432434 is about 624.3950917398.

Adding to 243432434 its reverse (434234342), we get a palindrome (677666776).

The spelling of 243432434 in words is "two hundred forty-three million, four hundred thirty-two thousand, four hundred thirty-four".