243033421442 has 16 divisors (see below), whose sum is σ = 416637467520. Its totient is φ = 104154994368.

The previous prime is 243033421441. The next prime is 243033421493. The reversal of 243033421442 is 244124330342.

It is a junction number, because it is equal to n+sod(n) for n = 243033421399 and 243033421408.

It is not an unprimeable number, because it can be changed into a prime (243033421441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635018 + ... + 943034.

It is an arithmetic number, because the mean of its divisors is an integer number (26039841720).

Almost surely, 2^243033421442 is an apocalyptic number.

243033421442 is a deficient number, since it is larger than the sum of its proper divisors (173604046078).

243033421442 is a wasteful number, since it uses less digits than its factorization.

243033421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364385.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 243033421442 its reverse (244124330342), we get a palindrome (487157751784).

The spelling of 243033421442 in words is "two hundred forty-three billion, thirty-three million, four hundred twenty-one thousand, four hundred forty-two".