2243123211243 has 16 divisors (see below), whose sum is σ = 3155933007360. Its totient is φ = 1414325525184.

The previous prime is 2243123211233. The next prime is 2243123211253. The reversal of 2243123211243 is 3421123213422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2243123211233) and next prime (2243123211253).

It is not a de Polignac number, because 2243123211243 - 2¹⁰ = 2243123210219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2243123211243.

It is not an unprimeable number, because it can be changed into a prime (2243123211233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182628871 + ... + 182641152.

It is an arithmetic number, because the mean of its divisors is an integer number (197245812960).

Almost surely, 2^{2243123211243} is an apocalyptic number.

2243123211243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2243123211243 is a deficient number, since it is larger than the sum of its proper divisors (912809796117).

2243123211243 is a wasteful number, since it uses less digits than its factorization.

2243123211243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365270138.

The product of its digits is 13824, while the sum is 30.

Adding to 2243123211243 its reverse (3421123213422), we get a palindrome (5664246424665).

The spelling of 2243123211243 in words is "two trillion, two hundred forty-three billion, one hundred twenty-three million, two hundred eleven thousand, two hundred forty-three".