243444124211123 has 8 divisors (see below), whose sum is σ = 265575551817216. Its totient is φ = 221312720536200.

The previous prime is 243444124211039. The next prime is 243444124211153. The reversal of 243444124211123 is 321112421444342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243444124211123 - 2¹⁰ = 243444124210099 is a prime.

It is a super-2 number, since 2×243444124211123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243444124211153) 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, 20312090 + ... + 29991152.

It is an arithmetic number, because the mean of its divisors is an integer number (33196943977152).

Almost surely, 2^{243444124211123} is an apocalyptic number.

243444124211123 is a deficient number, since it is larger than the sum of its proper divisors (22131427606093).

243444124211123 is a wasteful number, since it uses less digits than its factorization.

243444124211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965585.

The product of its digits is 147456, while the sum is 38.

Adding to 243444124211123 its reverse (321112421444342), we get a palindrome (564556545655465).

The spelling of 243444124211123 in words is "two hundred forty-three trillion, four hundred forty-four billion, one hundred twenty-four million, two hundred eleven thousand, one hundred twenty-three".