13203001123 has 16 divisors (see below), whose sum is σ = 14326210080. Its totient is φ = 12167399712.

The previous prime is 13203001111. The next prime is 13203001139. The reversal of 13203001123 is 32110030231.

It is a de Polignac number, because none of the positive numbers 2^k-13203001123 is a prime.

It is a super-2 number, since 2×13203001123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13203001097 and 13203001106.

It is not an unprimeable number, because it can be changed into a prime (13203001423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430040 + ... + 1439242.

It is an arithmetic number, because the mean of its divisors is an integer number (895388130).

Almost surely, 2^13203001123 is an apocalyptic number.

13203001123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13203001123 is a deficient number, since it is larger than the sum of its proper divisors (1123208957).

13203001123 is an frugal number, since it uses more digits than its factorization.

13203001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895 (or 9869 counting only the distinct ones).

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

Adding to 13203001123 its reverse (32110030231), we get a palindrome (45313031354).

The spelling of 13203001123 in words is "thirteen billion, two hundred three million, one thousand, one hundred twenty-three".