143042233321 has 8 divisors (see below), whose sum is σ = 159014691584. Its totient is φ = 127779662160.

The previous prime is 143042233309. The next prime is 143042233333. The reversal of 143042233321 is 123332240341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (143042233309) and next prime (143042233333).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143042233321 - 2⁷ = 143042233193 is a prime.

It is a super-2 number, since 2×143042233321² (a number of 23 digits) contains 22 as substring.

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 143042233321.

It is not an unprimeable number, because it can be changed into a prime (143042233721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177471351 + ... + 177472156.

It is an arithmetic number, because the mean of its divisors is an integer number (19876836448).

Almost surely, 2^143042233321 is an apocalyptic number.

It is an amenable number.

143042233321 is a deficient number, since it is larger than the sum of its proper divisors (15972458263).

143042233321 is a wasteful number, since it uses less digits than its factorization.

143042233321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354943551.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 143042233321 its reverse (123332240341), we get a palindrome (266374473662).

The spelling of 143042233321 in words is "one hundred forty-three billion, forty-two million, two hundred thirty-three thousand, three hundred twenty-one".