13153123 has 4 divisors (see below), whose sum is σ = 13195728. Its totient is φ = 13110520.

The previous prime is 13153109. The next prime is 13153159. The reversal of 13153123 is 32135131.

13153123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-13153123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13153123.

It is not an unprimeable number, because it can be changed into a prime (13153183) 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, 20836 + ... + 21457.

It is an arithmetic number, because the mean of its divisors is an integer number (3298932).

Almost surely, 2^13153123 is an apocalyptic number.

13153123 is a deficient number, since it is larger than the sum of its proper divisors (42605).

13153123 is an equidigital number, since it uses as much as digits as its factorization.

13153123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42604.

The product of its digits is 270, while the sum is 19.

The square root of 13153123 is about 3626.7234523741. The cubic root of 13153123 is about 236.0530559159.

Adding to 13153123 its reverse (32135131), we get a palindrome (45288254).

The spelling of 13153123 in words is "thirteen million, one hundred fifty-three thousand, one hundred twenty-three".