143242333243 has 4 divisors (see below), whose sum is σ = 143413063920. Its totient is φ = 143071602568.

The previous prime is 143242333159. The next prime is 143242333301. The reversal of 143242333243 is 342333242341.

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 143242333243 - 2⁹ = 143242332731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143242333199 and 143242333208.

It is not an unprimeable number, because it can be changed into a prime (143242333043) 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, 85364080 + ... + 85365757.

It is an arithmetic number, because the mean of its divisors is an integer number (35853265980).

Almost surely, 2^143242333243 is an apocalyptic number.

143242333243 is a deficient number, since it is larger than the sum of its proper divisors (170730677).

143242333243 is an equidigital number, since it uses as much as digits as its factorization.

143242333243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170730676.

The product of its digits is 124416, while the sum is 34.

Adding to 143242333243 its reverse (342333242341), we get a palindrome (485575575584).

The spelling of 143242333243 in words is "one hundred forty-three billion, two hundred forty-two million, three hundred thirty-three thousand, two hundred forty-three".