143401343 has 4 divisors (see below), whose sum is σ = 149636208. Its totient is φ = 137166480.

The previous prime is 143401337. The next prime is 143401351. The reversal of 143401343 is 343104341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343104341 = 7927 ⋅43283.

It is not a de Polignac number, because 143401343 - 2¹⁶ = 143335807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6234841 = 143401343 / (1 + 4 + 3 + 4 + 0 + 1 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3117398 + ... + 3117443.

It is an arithmetic number, because the mean of its divisors is an integer number (37409052).

Almost surely, 2^143401343 is an apocalyptic number.

143401343 is a deficient number, since it is larger than the sum of its proper divisors (6234865).

143401343 is an equidigital number, since it uses as much as digits as its factorization.

143401343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234864.

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

The square root of 143401343 is about 11975.0299790856. The cubic root of 143401343 is about 523.4209156929.

Adding to 143401343 its reverse (343104341), we get a palindrome (486505684).

The spelling of 143401343 in words is "one hundred forty-three million, four hundred one thousand, three hundred forty-three".