323121121231111 has 16 divisors (see below), whose sum is σ = 382128780651840. Its totient is φ = 267331019719680.

The previous prime is 323121121231109. The next prime is 323121121231121. The reversal of 323121121231111 is 111132121121323.

It is not a de Polignac number, because 323121121231111 - 2¹ = 323121121231109 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 (323121121231121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236111776 + ... + 237476341.

It is an arithmetic number, because the mean of its divisors is an integer number (23883048790740).

Almost surely, 2^{323121121231111} is an apocalyptic number.

323121121231111 is a deficient number, since it is larger than the sum of its proper divisors (59007659420729).

323121121231111 is a wasteful number, since it uses less digits than its factorization.

323121121231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473591514.

The product of its digits is 432, while the sum is 25.

Adding to 323121121231111 its reverse (111132121121323), we get a palindrome (434253242352434).

The spelling of 323121121231111 in words is "three hundred twenty-three trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred thirty-one thousand, one hundred eleven".