323423203143 has 16 divisors (see below), whose sum is σ = 446070988800. Its totient is φ = 208224486240.

The previous prime is 323423203139. The next prime is 323423203157. The reversal of 323423203143 is 341302324323.

It is not a de Polignac number, because 323423203143 - 2² = 323423203139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323423203143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323423203183) 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, 3585588 + ... + 3674681.

It is an arithmetic number, because the mean of its divisors is an integer number (27879436800).

Almost surely, 2^323423203143 is an apocalyptic number.

323423203143 is a deficient number, since it is larger than the sum of its proper divisors (122647785657).

323423203143 is a wasteful number, since it uses less digits than its factorization.

323423203143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260782.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 323423203143 its reverse (341302324323), we get a palindrome (664725527466).

The spelling of 323423203143 in words is "three hundred twenty-three billion, four hundred twenty-three million, two hundred three thousand, one hundred forty-three".