1103321311323 has 16 divisors (see below), whose sum is σ = 1834092569856. Its totient is φ = 573153927840.

The previous prime is 1103321311307. The next prime is 1103321311327. The reversal of 1103321311323 is 3231131233011.

It is not a de Polignac number, because 1103321311323 - 2⁴ = 1103321311307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103321311293 and 1103321311302.

It is not an unprimeable number, because it can be changed into a prime (1103321311327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2388141136 + ... + 2388141597.

It is an arithmetic number, because the mean of its divisors is an integer number (114630785616).

Almost surely, 2^{1103321311323} is an apocalyptic number.

1103321311323 is a deficient number, since it is larger than the sum of its proper divisors (730771258533).

1103321311323 is a wasteful number, since it uses less digits than its factorization.

1103321311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776282754.

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

Adding to 1103321311323 its reverse (3231131233011), we get a palindrome (4334452544334).

The spelling of 1103321311323 in words is "one trillion, one hundred three billion, three hundred twenty-one million, three hundred eleven thousand, three hundred twenty-three".