243321123342 has 16 divisors (see below), whose sum is σ = 530882451072. Its totient is φ = 73733673720.

The previous prime is 243321123293. The next prime is 243321123359.

It is a happy number.

243321123342 is nontrivially palindromic in base 10.

243321123342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843341778 + ... + 1843341909.

It is an arithmetic number, because the mean of its divisors is an integer number (33180153192).

Almost surely, 2^243321123342 is an apocalyptic number.

243321123342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243321123342 is an abundant number, since it is smaller than the sum of its proper divisors (287561327730).

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

243321123342 is a wasteful number, since it uses less digits than its factorization.

243321123342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686683703.

The product of its digits is 20736, while the sum is 30.

It can be divided in two parts, 243321 and 123342, that added together give a palindrome (366663).

The spelling of 243321123342 in words is "two hundred forty-three billion, three hundred twenty-one million, one hundred twenty-three thousand, three hundred forty-two".