13020011123 has 8 divisors (see below), whose sum is σ = 14881530720. Its totient is φ = 11158871040.

The previous prime is 13020011113. The next prime is 13020011131. The reversal of 13020011123 is 32111002031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13020011123 - 2⁴ = 13020011107 is a prime.

It is a super-2 number, since 2×13020011123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13020011098 and 13020011107.

It is not an unprimeable number, because it can be changed into a prime (13020011113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17108 + ... + 162273.

It is an arithmetic number, because the mean of its divisors is an integer number (1860191340).

Almost surely, 2^13020011123 is an apocalyptic number.

13020011123 is a deficient number, since it is larger than the sum of its proper divisors (1861519597).

13020011123 is a wasteful number, since it uses less digits than its factorization.

13020011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189757.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13020011123 its reverse (32111002031), we get a palindrome (45131013154).

The spelling of 13020011123 in words is "thirteen billion, twenty million, eleven thousand, one hundred twenty-three".