1223112012323 has 16 divisors (see below), whose sum is σ = 1284292999680. Its totient is φ = 1163201298336.

The previous prime is 1223112012313. The next prime is 1223112012359. The reversal of 1223112012323 is 3232102113221.

It is not a de Polignac number, because 1223112012323 - 2¹⁰ = 1223112011299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223112012313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27387590 + ... + 27432212.

It is an arithmetic number, because the mean of its divisors is an integer number (80268312480).

Almost surely, 2^{1223112012323} is an apocalyptic number.

1223112012323 is a deficient number, since it is larger than the sum of its proper divisors (61180987357).

1223112012323 is a wasteful number, since it uses less digits than its factorization.

1223112012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58826.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1223112012323 its reverse (3232102113221), we get a palindrome (4455214125544).

The spelling of 1223112012323 in words is "one trillion, two hundred twenty-three billion, one hundred twelve million, twelve thousand, three hundred twenty-three".