13305023 has 4 divisors (see below), whose sum is σ = 13313160. Its totient is φ = 13296888.

The previous prime is 13305013. The next prime is 13305041. The reversal of 13305023 is 32050331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 32050331 = 2281 ⋅14051.

It is a cyclic number.

It is not a de Polignac number, because 13305023 - 2⁴ = 13305007 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 13304992 and 13305010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (3328290).

Almost surely, 2^13305023 is an apocalyptic number.

13305023 is a deficient number, since it is larger than the sum of its proper divisors (8137).

13305023 is an equidigital number, since it uses as much as digits as its factorization.

13305023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 13305023 is about 3647.6051047228. The cubic root of 13305023 is about 236.9582733188.

Adding to 13305023 its reverse (32050331), we get a palindrome (45355354).

The spelling of 13305023 in words is "thirteen million, three hundred five thousand, twenty-three".