243443343422 has 4 divisors (see below), whose sum is σ = 365165015136. Its totient is φ = 121721671710.

The previous prime is 243443343413. The next prime is 243443343491. The reversal of 243443343422 is 224343344342.

243443343422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×243443343422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60860835854 + ... + 60860835857.

It is an arithmetic number, because the mean of its divisors is an integer number (91291253784).

Almost surely, 2^243443343422 is an apocalyptic number.

243443343422 is a deficient number, since it is larger than the sum of its proper divisors (121721671714).

243443343422 is a wasteful number, since it uses less digits than its factorization.

243443343422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121721671713.

The product of its digits is 663552, while the sum is 38.

Adding to 243443343422 its reverse (224343344342), we get a palindrome (467786687764).

The spelling of 243443343422 in words is "two hundred forty-three billion, four hundred forty-three million, three hundred forty-three thousand, four hundred twenty-two".