243351422234 has 4 divisors (see below), whose sum is σ = 365027133354. Its totient is φ = 121675711116.

The previous prime is 243351422203. The next prime is 243351422351. The reversal of 243351422234 is 432224153342.

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., 208298221609 + 35053200625 = 456397^2 + 187225^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243351422194 and 243351422203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60837855557 + ... + 60837855560.

Almost surely, 2^243351422234 is an apocalyptic number.

243351422234 is a deficient number, since it is larger than the sum of its proper divisors (121675711120).

243351422234 is a wasteful number, since it uses less digits than its factorization.

243351422234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121675711119.

The product of its digits is 138240, while the sum is 35.

Adding to 243351422234 its reverse (432224153342), we get a palindrome (675575575576).

The spelling of 243351422234 in words is "two hundred forty-three billion, three hundred fifty-one million, four hundred twenty-two thousand, two hundred thirty-four".