2443403143423 has 4 divisors (see below), whose sum is σ = 2665530701928. Its totient is φ = 2221275584920.

The previous prime is 2443403143397. The next prime is 2443403143429. The reversal of 2443403143423 is 3243413043442.

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

It is a cyclic number.

It is not a de Polignac number, because 2443403143423 - 2²¹ = 2443401046271 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 (2443403143429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111063779236 + ... + 111063779257.

It is an arithmetic number, because the mean of its divisors is an integer number (666382675482).

Almost surely, 2^{2443403143423} is an apocalyptic number.

2443403143423 is a deficient number, since it is larger than the sum of its proper divisors (222127558505).

2443403143423 is a wasteful number, since it uses less digits than its factorization.

2443403143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222127558504.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 2443403143423 its reverse (3243413043442), we get a palindrome (5686816186865).

The spelling of 2443403143423 in words is "two trillion, four hundred forty-three billion, four hundred three million, one hundred forty-three thousand, four hundred twenty-three".