12243123343 has 16 divisors (see below), whose sum is σ = 13953526560. Its totient is φ = 10639888000.

The previous prime is 12243123311. The next prime is 12243123349. The reversal of 12243123343 is 34332134221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12243123343 - 2⁵ = 12243123311 is a prime.

It is a super-2 number, since 2×12243123343² (a number of 21 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 (12243123349) 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, 157780 + ... + 222217.

It is an arithmetic number, because the mean of its divisors is an integer number (872095410).

Almost surely, 2^12243123343 is an apocalyptic number.

12243123343 is a deficient number, since it is larger than the sum of its proper divisors (1710403217).

12243123343 is a wasteful number, since it uses less digits than its factorization.

12243123343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380138.

The product of its digits is 10368, while the sum is 28.

Adding to 12243123343 its reverse (34332134221), we get a palindrome (46575257564).

The spelling of 12243123343 in words is "twelve billion, two hundred forty-three million, one hundred twenty-three thousand, three hundred forty-three".