143013321023321 has 16 divisors (see below), whose sum is σ = 163872466713600. Its totient is φ = 122261616442368.

The previous prime is 143013321023231. The next prime is 143013321023359. The reversal of 143013321023321 is 123320123310341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143013321023321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143013321323321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5105936 + ... + 17666273.

It is an arithmetic number, because the mean of its divisors is an integer number (10242029169600).

Almost surely, 2^{143013321023321} is an apocalyptic number.

It is an amenable number.

143013321023321 is a deficient number, since it is larger than the sum of its proper divisors (20859145690279).

143013321023321 is a wasteful number, since it uses less digits than its factorization.

143013321023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22774568.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 143013321023321 its reverse (123320123310341), we get a palindrome (266333444333662).

The spelling of 143013321023321 in words is "one hundred forty-three trillion, thirteen billion, three hundred twenty-one million, twenty-three thousand, three hundred twenty-one".