11320003123 has 24 divisors (see below), whose sum is σ = 13399992000. Its totient is φ = 9479489760.

The previous prime is 11320003091. The next prime is 11320003159. The reversal of 11320003123 is 32130002311.

It is not a de Polignac number, because 11320003123 - 2⁵ = 11320003091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320003097 and 11320003106.

It is not an unprimeable number, because it can be changed into a prime (11320003423) 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, 921540 + ... + 933742.

It is an arithmetic number, because the mean of its divisors is an integer number (558333000).

Almost surely, 2^11320003123 is an apocalyptic number.

11320003123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11320003123 is a deficient number, since it is larger than the sum of its proper divisors (2079988877).

11320003123 is a wasteful number, since it uses less digits than its factorization.

11320003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12739 (or 12726 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11320003123 its reverse (32130002311), we get a palindrome (43450005434).

The spelling of 11320003123 in words is "eleven billion, three hundred twenty million, three thousand, one hundred twenty-three".