243023344042 has 64 divisors (see below), whose sum is σ = 417833873280. Its totient is φ = 105305481216.

The previous prime is 243023344007. The next prime is 243023344049. The reversal of 243023344042 is 240443320342.

It is a happy number.

243023344042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243023343995 and 243023344013.

It is not an unprimeable number, because it can be changed into a prime (243023344049) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 3630298 + ... + 3696634.

It is an arithmetic number, because the mean of its divisors is an integer number (6528654270).

Almost surely, 2^243023344042 is an apocalyptic number.

243023344042 is a deficient number, since it is larger than the sum of its proper divisors (174810529238).

243023344042 is a wasteful number, since it uses less digits than its factorization.

243023344042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66535.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 243023344042 its reverse (240443320342), we get a palindrome (483466664384).

The spelling of 243023344042 in words is "two hundred forty-three billion, twenty-three million, three hundred forty-four thousand, forty-two".