323543643223 has 4 divisors (see below), whose sum is σ = 323547688440. Its totient is φ = 323539598008.

The previous prime is 323543643197. The next prime is 323543643233. The reversal of 323543643223 is 322346345323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322346345323 = 23291 ⋅13839953.

It is a cyclic number.

It is not a de Polignac number, because 323543643223 - 2¹³ = 323543635031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323543643233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900165 + ... + 2063422.

It is an arithmetic number, because the mean of its divisors is an integer number (80886922110).

Almost surely, 2^323543643223 is an apocalyptic number.

323543643223 is a deficient number, since it is larger than the sum of its proper divisors (4045217).

323543643223 is an equidigital number, since it uses as much as digits as its factorization.

323543643223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045216.

The product of its digits is 933120, while the sum is 40.

Adding to 323543643223 its reverse (322346345323), we get a palindrome (645889988546).

The spelling of 323543643223 in words is "three hundred twenty-three billion, five hundred forty-three million, six hundred forty-three thousand, two hundred twenty-three".