13442402343 has 4 divisors (see below), whose sum is σ = 17923203128. Its totient is φ = 8961601560.

The previous prime is 13442402341. The next prime is 13442402353. The reversal of 13442402343 is 34320424431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13442402343 - 2¹ = 13442402341 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 13442402343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442402341) 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, 2240400388 + ... + 2240400393.

It is an arithmetic number, because the mean of its divisors is an integer number (4480800782).

Almost surely, 2^13442402343 is an apocalyptic number.

13442402343 is a deficient number, since it is larger than the sum of its proper divisors (4480800785).

13442402343 is an equidigital number, since it uses as much as digits as its factorization.

13442402343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480800784.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13442402343 its reverse (34320424431), we get a palindrome (47762826774).

The spelling of 13442402343 in words is "thirteen billion, four hundred forty-two million, four hundred two thousand, three hundred forty-three".