43121344211123 has 8 divisors (see below), whose sum is σ = 43728843352320. Its totient is φ = 42513849410760.

The previous prime is 43121344211093. The next prime is 43121344211129. The reversal of 43121344211123 is 32111244312134.

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 43121344211123 - 2³⁰ = 43120270469299 is a prime.

It is a super-2 number, since 2×43121344211123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43121344211123.

It is not an unprimeable number, because it can be changed into a prime (43121344211129) 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, 22511186 + ... + 24351512.

It is an arithmetic number, because the mean of its divisors is an integer number (5466105419040).

Almost surely, 2^{43121344211123} is an apocalyptic number.

43121344211123 is a deficient number, since it is larger than the sum of its proper divisors (607499141197).

43121344211123 is a wasteful number, since it uses less digits than its factorization.

43121344211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170417.

The product of its digits is 13824, while the sum is 32.

Adding to 43121344211123 its reverse (32111244312134), we get a palindrome (75232588523257).

The spelling of 43121344211123 in words is "forty-three trillion, one hundred twenty-one billion, three hundred forty-four million, two hundred eleven thousand, one hundred twenty-three".