323211999999965 has 32 divisors (see below), whose sum is σ = 411571267776000. Its totient is φ = 242986562961408.

The previous prime is 323211999999949. The next prime is 323212000000051. The reversal of 323211999999965 is 569999999112323.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 323211999999965 - 2⁴ = 323211999999949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21859910 + ... + 33530279.

It is an arithmetic number, because the mean of its divisors is an integer number (12861602118000).

Almost surely, 2^{323211999999965} is an apocalyptic number.

It is an amenable number.

323211999999965 is a deficient number, since it is larger than the sum of its proper divisors (88359267776035).

323211999999965 is a wasteful number, since it uses less digits than its factorization.

323211999999965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55390709.

The product of its digits is 5165606520, while the sum is 86.

The spelling of 323211999999965 in words is "three hundred twenty-three trillion, two hundred eleven billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred sixty-five".