13231101123 has 6 divisors (see below), whose sum is σ = 19111590524. Its totient is φ = 8820734076.

The previous prime is 13231101113. The next prime is 13231101167. The reversal of 13231101123 is 32110113231.

It is not a de Polignac number, because 13231101123 - 2³³ = 4641166531 is a prime.

It is a super-2 number, since 2×13231101123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13231101096 and 13231101105.

It is not an unprimeable number, because it can be changed into a prime (13231101113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 735061165 + ... + 735061182.

Almost surely, 2^13231101123 is an apocalyptic number.

13231101123 is a deficient number, since it is larger than the sum of its proper divisors (5880489401).

13231101123 is a wasteful number, since it uses less digits than its factorization.

13231101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470122353 (or 1470122350 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13231101123 its reverse (32110113231), we get a palindrome (45341214354).

The spelling of 13231101123 in words is "thirteen billion, two hundred thirty-one million, one hundred one thousand, one hundred twenty-three".