1323111013323 has 24 divisors (see below), whose sum is σ = 1957227378624. Its totient is φ = 794391182640.

The previous prime is 1323111013321. The next prime is 1323111013397. The reversal of 1323111013323 is 3233101113231.

It is not a de Polignac number, because 1323111013323 - 2¹ = 1323111013321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323111013293 and 1323111013302.

It is not an unprimeable number, because it can be changed into a prime (1323111013321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16993561 + ... + 17071242.

It is an arithmetic number, because the mean of its divisors is an integer number (81551140776).

Almost surely, 2^{1323111013323} is an apocalyptic number.

1323111013323 is a deficient number, since it is larger than the sum of its proper divisors (634116365301).

1323111013323 is a wasteful number, since it uses less digits than its factorization.

1323111013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34064935 (or 34064924 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1323111013323 its reverse (3233101113231), we get a palindrome (4556212126554).

The spelling of 1323111013323 in words is "one trillion, three hundred twenty-three billion, one hundred eleven million, thirteen thousand, three hundred twenty-three".