323211400320343 has 16 divisors (see below), whose sum is σ = 332877643156800. Its totient is φ = 313695724852224.

The previous prime is 323211400320323. The next prime is 323211400320349. The reversal of 323211400320343 is 343023004112323.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323211400320343 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 (323211400320349) 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, 86744346 + ... + 90393607.

It is an arithmetic number, because the mean of its divisors is an integer number (20804852697300).

Almost surely, 2^{323211400320343} is an apocalyptic number.

323211400320343 is a deficient number, since it is larger than the sum of its proper divisors (9666242836457).

323211400320343 is a wasteful number, since it uses less digits than its factorization.

323211400320343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177138378.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 323211400320343 its reverse (343023004112323), we get a palindrome (666234404432666).

The spelling of 323211400320343 in words is "three hundred twenty-three trillion, two hundred eleven billion, four hundred million, three hundred twenty thousand, three hundred forty-three".