243322505223342 has 128 divisors (see below), whose sum is σ = 511467914280960. Its totient is φ = 77067517080960.

The previous prime is 243322505223341. The next prime is 243322505223349.

243322505223342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243322505223294 and 243322505223303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243322505223341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4680062967 + ... + 4680114957.

It is an arithmetic number, because the mean of its divisors is an integer number (3995843080320).

Almost surely, 2^{243322505223342} is an apocalyptic number.

243322505223342 is an abundant number, since it is smaller than the sum of its proper divisors (268145409057618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243322505223342 is a wasteful number, since it uses less digits than its factorization.

243322505223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53358.

The product of its (nonzero) digits is 2073600, while the sum is 42.

It can be divided in two parts, 24332250 and 5223342, that added together give a palindrome (29555592).

The spelling of 243322505223342 in words is "two hundred forty-three trillion, three hundred twenty-two billion, five hundred five million, two hundred twenty-three thousand, three hundred forty-two".