143320353043 has 4 divisors (see below), whose sum is σ = 163794689200. Its totient is φ = 122846016888.

The previous prime is 143320352933. The next prime is 143320353091. The reversal of 143320353043 is 340353023341.

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

It is a de Polignac number, because none of the positive numbers 2^k-143320353043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143320352996 and 143320353014.

It is not an unprimeable number, because it can be changed into a prime (143320359043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10237168068 + ... + 10237168081.

It is an arithmetic number, because the mean of its divisors is an integer number (40948672300).

Almost surely, 2^143320353043 is an apocalyptic number.

143320353043 is a deficient number, since it is larger than the sum of its proper divisors (20474336157).

143320353043 is an equidigital number, since it uses as much as digits as its factorization.

143320353043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20474336156.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 143320353043 its reverse (340353023341), we get a palindrome (483673376384).

The spelling of 143320353043 in words is "one hundred forty-three billion, three hundred twenty million, three hundred fifty-three thousand, forty-three".