13130023 has 4 divisors (see below), whose sum is σ = 13139560. Its totient is φ = 13120488.

The previous prime is 13130009. The next prime is 13130027. The reversal of 13130023 is 32003131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130023 is a prime.

It is a super-4 number, since 4×13130023⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13129985 and 13130012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2265 + ... + 5602.

It is an arithmetic number, because the mean of its divisors is an integer number (3284890).

Almost surely, 2^13130023 is an apocalyptic number.

13130023 is a deficient number, since it is larger than the sum of its proper divisors (9537).

13130023 is an equidigital number, since it uses as much as digits as its factorization.

13130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 13130023 is about 3623.5373600944. The cubic root of 13130023 is about 235.9147865771.

Adding to 13130023 its reverse (32003131), we get a palindrome (45133154).

The spelling of 13130023 in words is "thirteen million, one hundred thirty thousand, twenty-three".