243420442322 has 8 divisors (see below), whose sum is σ = 366041214972. Its totient is φ = 121406704000.

The previous prime is 243420442277. The next prime is 243420442327. The reversal of 243420442322 is 223244024342.

It can be written as a sum of positive squares in 2 ways, for example, as 200060292961 + 43360149361 = 447281^2 + 208231^2 .

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

It is not an unprimeable number, because it can be changed into a prime (243420442327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151757579 + ... + 151759182.

Almost surely, 2^243420442322 is an apocalyptic number.

243420442322 is a deficient number, since it is larger than the sum of its proper divisors (122620772650).

243420442322 is a wasteful number, since it uses less digits than its factorization.

243420442322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303517164.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 243420442322 its reverse (223244024342), we get a palindrome (466664466664).

The spelling of 243420442322 in words is "two hundred forty-three billion, four hundred twenty million, four hundred forty-two thousand, three hundred twenty-two".