13203142343 has 4 divisors (see below), whose sum is σ = 13257927408. Its totient is φ = 13148357280.

The previous prime is 13203142339. The next prime is 13203142357. The reversal of 13203142343 is 34324130231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34324130231 = 4349 ⋅7892419.

It is a cyclic number.

It is not a de Polignac number, because 13203142343 - 2² = 13203142339 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 (13203142363) 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, 27392171 + ... + 27392652.

It is an arithmetic number, because the mean of its divisors is an integer number (3314481852).

Almost surely, 2^13203142343 is an apocalyptic number.

13203142343 is a deficient number, since it is larger than the sum of its proper divisors (54785065).

13203142343 is an equidigital number, since it uses as much as digits as its factorization.

13203142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54785064.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13203142343 its reverse (34324130231), we get a palindrome (47527272574).

The spelling of 13203142343 in words is "thirteen billion, two hundred three million, one hundred forty-two thousand, three hundred forty-three".