323123223111331 has 4 divisors (see below), whose sum is σ = 323139099082312. Its totient is φ = 323107347140352.

The previous prime is 323123223111319. The next prime is 323123223111361. The reversal of 323123223111331 is 133111322321323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323123223111331 is a prime.

It is a super-2 number, since 2×323123223111331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323123223111293 and 323123223111302.

It is not an unprimeable number, because it can be changed into a prime (323123223111361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7937954961 + ... + 7937995666.

It is an arithmetic number, because the mean of its divisors is an integer number (80784774770578).

Almost surely, 2^{323123223111331} is an apocalyptic number.

323123223111331 is a deficient number, since it is larger than the sum of its proper divisors (15875970981).

323123223111331 is a wasteful number, since it uses less digits than its factorization.

323123223111331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15875970980.

The product of its digits is 11664, while the sum is 31.

Adding to 323123223111331 its reverse (133111322321323), we get a palindrome (456234545432654).

The spelling of 323123223111331 in words is "three hundred twenty-three trillion, one hundred twenty-three billion, two hundred twenty-three million, one hundred eleven thousand, three hundred thirty-one".