243422411123 has 4 divisors (see below), whose sum is σ = 243823437120. Its totient is φ = 243021385128.

The previous prime is 243422411107. The next prime is 243422411149. The reversal of 243422411123 is 321114224342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243422411123 - 2⁴ = 243422411107 is a prime.

It is a super-2 number, since 2×243422411123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243422411423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200512088 + ... + 200513301.

It is an arithmetic number, because the mean of its divisors is an integer number (60955859280).

Almost surely, 2^243422411123 is an apocalyptic number.

243422411123 is a deficient number, since it is larger than the sum of its proper divisors (401025997).

243422411123 is an equidigital number, since it uses as much as digits as its factorization.

243422411123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401025996.

The product of its digits is 9216, while the sum is 29.

Adding to 243422411123 its reverse (321114224342), we get a palindrome (564536635465).

The spelling of 243422411123 in words is "two hundred forty-three billion, four hundred twenty-two million, four hundred eleven thousand, one hundred twenty-three".