243120442435 has 64 divisors (see below), whose sum is σ = 324253762560. Its totient is φ = 173890644480.

The previous prime is 243120442429. The next prime is 243120442447. The reversal of 243120442435 is 534244021342.

It is not a de Polignac number, because 243120442435 - 2¹⁵ = 243120409667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243120442435.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83344597 + ... + 83347513.

It is an arithmetic number, because the mean of its divisors is an integer number (5066465040).

Almost surely, 2^243120442435 is an apocalyptic number.

243120442435 is a deficient number, since it is larger than the sum of its proper divisors (81133320125).

243120442435 is a wasteful number, since it uses less digits than its factorization.

243120442435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 243120442435 its reverse (534244021342), we get a palindrome (777364463777).

The spelling of 243120442435 in words is "two hundred forty-three billion, one hundred twenty million, four hundred forty-two thousand, four hundred thirty-five".