243233220434 has 8 divisors (see below), whose sum is σ = 364851993600. Its totient is φ = 121615889236.

The previous prime is 243233220421. The next prime is 243233220469. The reversal of 243233220434 is 434022332342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 243233220434.

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, 312467 + ... + 764265.

It is an arithmetic number, because the mean of its divisors is an integer number (45606499200).

Almost surely, 2^243233220434 is an apocalyptic number.

243233220434 is a deficient number, since it is larger than the sum of its proper divisors (121618773166).

243233220434 is a wasteful number, since it uses less digits than its factorization.

243233220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720984.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 243233220434 its reverse (434022332342), we get a palindrome (677255552776).

The spelling of 243233220434 in words is "two hundred forty-three billion, two hundred thirty-three million, two hundred twenty thousand, four hundred thirty-four".