243422044013 has 32 divisors (see below), whose sum is σ = 271216512000. Its totient is φ = 217426277376.

The previous prime is 243422043959. The next prime is 243422044037. The reversal of 243422044013 is 310440224342.

It is a cyclic number.

It is not a de Polignac number, because 243422044013 - 2¹⁰ = 243422042989 is a prime.

It is a super-2 number, since 2×243422044013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243422044913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16278206 + ... + 16293152.

It is an arithmetic number, because the mean of its divisors is an integer number (8475516000).

Almost surely, 2^243422044013 is an apocalyptic number.

243422044013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

243422044013 is a deficient number, since it is larger than the sum of its proper divisors (27794467987).

243422044013 is a wasteful number, since it uses less digits than its factorization.

243422044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 243422044013 its reverse (310440224342), we get a palindrome (553862268355).

The spelling of 243422044013 in words is "two hundred forty-three billion, four hundred twenty-two million, forty-four thousand, thirteen".