143340404423 has 4 divisors (see below), whose sum is σ = 144168961848. Its totient is φ = 142511847000.

The previous prime is 143340404353. The next prime is 143340404437. The reversal of 143340404423 is 324404043341.

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 143340404423 - 2¹² = 143340400327 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 143340404423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143340404453) 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, 414278453 + ... + 414278798.

It is an arithmetic number, because the mean of its divisors is an integer number (36042240462).

Almost surely, 2^143340404423 is an apocalyptic number.

143340404423 is a deficient number, since it is larger than the sum of its proper divisors (828557425).

143340404423 is an equidigital number, since it uses as much as digits as its factorization.

143340404423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828557424.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 143340404423 its reverse (324404043341), we get a palindrome (467744447764).

The spelling of 143340404423 in words is "one hundred forty-three billion, three hundred forty million, four hundred four thousand, four hundred twenty-three".