12143511343 has 4 divisors (see below), whose sum is σ = 12144666168. Its totient is φ = 12142356520.

The previous prime is 12143511337. The next prime is 12143511371. The reversal of 12143511343 is 34311534121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34311534121 = 29 ⋅1183156349.

It is a cyclic number.

It is not a de Polignac number, because 12143511343 - 2²¹ = 12141414191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143511313) 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, 561493 + ... + 582718.

It is an arithmetic number, because the mean of its divisors is an integer number (3036166542).

Almost surely, 2^12143511343 is an apocalyptic number.

12143511343 is a deficient number, since it is larger than the sum of its proper divisors (1154825).

12143511343 is a wasteful number, since it uses less digits than its factorization.

12143511343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154824.

The product of its digits is 4320, while the sum is 28.

The spelling of 12143511343 in words is "twelve billion, one hundred forty-three million, five hundred eleven thousand, three hundred forty-three".