243212240234 has 4 divisors (see below), whose sum is σ = 364818360354. Its totient is φ = 121606120116.

The previous prime is 243212240213. The next prime is 243212240263. The reversal of 243212240234 is 432042212342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 185672224609 + 57540015625 = 430897^2 + 239875^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243212240197 and 243212240206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60803060057 + ... + 60803060060.

Almost surely, 2^243212240234 is an apocalyptic number.

243212240234 is a deficient number, since it is larger than the sum of its proper divisors (121606120120).

243212240234 is a wasteful number, since it uses less digits than its factorization.

243212240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121606120119.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243212240234 its reverse (432042212342), we get a palindrome (675254452576).

The spelling of 243212240234 in words is "two hundred forty-three billion, two hundred twelve million, two hundred forty thousand, two hundred thirty-four".