12143243003 has 4 divisors (see below), whose sum is σ = 12143467848. Its totient is φ = 12143018160.

The previous prime is 12143242999. The next prime is 12143243017. The reversal of 12143243003 is 30034234121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30034234121 = 503 ⋅59710207.

It is a cyclic number.

It is not a de Polignac number, because 12143243003 - 2² = 12143242999 is a prime.

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 12143243003.

It is not an unprimeable number, because it can be changed into a prime (12143245003) 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, 22823 + ... + 157503.

It is an arithmetic number, because the mean of its divisors is an integer number (3035866962).

Almost surely, 2^12143243003 is an apocalyptic number.

12143243003 is a deficient number, since it is larger than the sum of its proper divisors (224845).

12143243003 is an equidigital number, since it uses as much as digits as its factorization.

12143243003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224844.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12143243003 its reverse (30034234121), we get a palindrome (42177477124).

The spelling of 12143243003 in words is "twelve billion, one hundred forty-three million, two hundred forty-three thousand, three".