13003123011 has 32 divisors (see below), whose sum is σ = 18330064896. Its totient is φ = 8188128000.

The previous prime is 13003122997. The next prime is 13003123031. The reversal of 13003123011 is 11032130031.

It is not a de Polignac number, because 13003123011 - 2¹⁰ = 13003121987 is a prime.

It is a super-2 number, since 2×13003123011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13003123031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 734415 + ... + 751911.

It is an arithmetic number, because the mean of its divisors is an integer number (572814528).

Almost surely, 2^13003123011 is an apocalyptic number.

13003123011 is a deficient number, since it is larger than the sum of its proper divisors (5326941885).

13003123011 is a wasteful number, since it uses less digits than its factorization.

13003123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17723.

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

Adding to 13003123011 its reverse (11032130031), we get a palindrome (24035253042).

The spelling of 13003123011 in words is "thirteen billion, three million, one hundred twenty-three thousand, eleven".