13113023123 has 4 divisors (see below), whose sum is σ = 13120218048. Its totient is φ = 13105828200.

The previous prime is 13113023107. The next prime is 13113023129. The reversal of 13113023123 is 32132031131.

13113023123 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, and also an emirpimes, since its reverse is a distinct semiprime: 32132031131 = 3373 ⋅9526247.

It is a cyclic number.

It is not a de Polignac number, because 13113023123 - 2⁴ = 13113023107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13113023095 and 13113023104.

It is not an unprimeable number, because it can be changed into a prime (13113023129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3594728 + ... + 3598373.

It is an arithmetic number, because the mean of its divisors is an integer number (3280054512).

Almost surely, 2^13113023123 is an apocalyptic number.

13113023123 is a deficient number, since it is larger than the sum of its proper divisors (7194925).

13113023123 is an equidigital number, since it uses as much as digits as its factorization.

13113023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194924.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13113023123 its reverse (32132031131), we get a palindrome (45245054254).

The spelling of 13113023123 in words is "thirteen billion, one hundred thirteen million, twenty-three thousand, one hundred twenty-three".