323142142334143 has 4 divisors (see below), whose sum is σ = 352518700728168. Its totient is φ = 293765583940120.

The previous prime is 323142142334129. The next prime is 323142142334147. The reversal of 323142142334143 is 341433241241323.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323142142334143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323142142334096 and 323142142334105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323142142334147) 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, 14688279196996 + ... + 14688279197017.

It is an arithmetic number, because the mean of its divisors is an integer number (88129675182042).

Almost surely, 2^{323142142334143} is an apocalyptic number.

323142142334143 is a deficient number, since it is larger than the sum of its proper divisors (29376558394025).

323142142334143 is a wasteful number, since it uses less digits than its factorization.

323142142334143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29376558394024.

The product of its digits is 497664, while the sum is 40.

Adding to 323142142334143 its reverse (341433241241323), we get a palindrome (664575383575466).

The spelling of 323142142334143 in words is "three hundred twenty-three trillion, one hundred forty-two billion, one hundred forty-two million, three hundred thirty-four thousand, one hundred forty-three".