243322435542 has 16 divisors (see below), whose sum is σ = 488664147312. Its totient is φ = 80770932480.

The previous prime is 243322435511. The next prime is 243322435589. The reversal of 243322435542 is 245534223342.

It is a self number, because there is not a number n which added to its sum of digits gives 243322435542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84134943 + ... + 84137834.

It is an arithmetic number, because the mean of its divisors is an integer number (30541509207).

Almost surely, 2^243322435542 is an apocalyptic number.

243322435542 is an abundant number, since it is smaller than the sum of its proper divisors (245341711770).

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

243322435542 is a wasteful number, since it uses less digits than its factorization.

243322435542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168273023.

The product of its digits is 691200, while the sum is 39.

Adding to 243322435542 its reverse (245534223342), we get a palindrome (488856658884).

The spelling of 243322435542 in words is "two hundred forty-three billion, three hundred twenty-two million, four hundred thirty-five thousand, five hundred forty-two".