11321330123 has 16 divisors (see below), whose sum is σ = 11672965920. Its totient is φ = 10973491200.

The previous prime is 11321330051. The next prime is 11321330143. The reversal of 11321330123 is 32103312311.

It is a cyclic number.

It is not a de Polignac number, because 11321330123 - 2¹⁶ = 11321264587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321330095 and 11321330104.

It is not an unprimeable number, because it can be changed into a prime (11321330143) 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, 8728211 + ... + 8729507.

It is an arithmetic number, because the mean of its divisors is an integer number (729560370).

Almost surely, 2^11321330123 is an apocalyptic number.

11321330123 is a deficient number, since it is larger than the sum of its proper divisors (351635797).

11321330123 is a wasteful number, since it uses less digits than its factorization.

11321330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11321330123 its reverse (32103312311), we get a palindrome (43424642434).

The spelling of 11321330123 in words is "eleven billion, three hundred twenty-one million, three hundred thirty thousand, one hundred twenty-three".