243023320342 has 16 divisors (see below), whose sum is σ = 397694278800. Its totient is φ = 110459658240.

The previous prime is 243023320307. The next prime is 243023320343.

243023320342 is nontrivially palindromic in base 10.

243023320342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243023320342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243023320343) by changing a digit.

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, 196534 + ... + 724342.

It is an arithmetic number, because the mean of its divisors is an integer number (24855892425).

Almost surely, 2^243023320342 is an apocalyptic number.

243023320342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243023320342 is a deficient number, since it is larger than the sum of its proper divisors (154670958458).

243023320342 is a wasteful number, since it uses less digits than its factorization.

243023320342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548751.

The product of its (nonzero) digits is 20736, while the sum is 28.

It can be divided in two parts, 243023 and 320342, that added together give a palindrome (563365).

The spelling of 243023320342 in words is "two hundred forty-three billion, twenty-three million, three hundred twenty thousand, three hundred forty-two".