13011030123 has 48 divisors (see below), whose sum is σ = 21826730016. Its totient is φ = 6833272320.

The previous prime is 13011030091. The next prime is 13011030127. The reversal of 13011030123 is 32103011031.

It is not a de Polignac number, because 13011030123 - 2⁵ = 13011030091 is a prime.

It is a super-2 number, since 2×13011030123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13011030127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 430653 + ... + 459873.

It is an arithmetic number, because the mean of its divisors is an integer number (454723542).

Almost surely, 2^13011030123 is an apocalyptic number.

13011030123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13011030123 is a deficient number, since it is larger than the sum of its proper divisors (8815699893).

13011030123 is a wasteful number, since it uses less digits than its factorization.

13011030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29484 (or 29477 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 13011030123 its reverse (32103011031), we get a palindrome (45114041154).

The spelling of 13011030123 in words is "thirteen billion, eleven million, thirty thousand, one hundred twenty-three".