13033001123 has 4 divisors (see below), whose sum is σ = 13033240968. Its totient is φ = 13032761280.

The previous prime is 13033001089. The next prime is 13033001161. The reversal of 13033001123 is 32110033031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13033001123 is a prime.

It is a super-2 number, since 2×13033001123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13033001173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4883 + ... + 161523.

It is an arithmetic number, because the mean of its divisors is an integer number (3258310242).

Almost surely, 2^13033001123 is an apocalyptic number.

13033001123 is a deficient number, since it is larger than the sum of its proper divisors (239845).

13033001123 is an equidigital number, since it uses as much as digits as its factorization.

13033001123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239844.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13033001123 its reverse (32110033031), we get a palindrome (45143034154).

The spelling of 13033001123 in words is "thirteen billion, thirty-three million, one thousand, one hundred twenty-three".