13500323 has 4 divisors (see below), whose sum is σ = 13814328. Its totient is φ = 13186320.

The previous prime is 13500307. The next prime is 13500343. The reversal of 13500323 is 32300531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32300531 = 257 ⋅125683.

It is a cyclic number.

It is not a de Polignac number, because 13500323 - 2⁴ = 13500307 is a prime.

It is a super-2 number, since 2×13500323² = 364517442208658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13500343) 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, 156938 + ... + 157023.

It is an arithmetic number, because the mean of its divisors is an integer number (3453582).

Almost surely, 2^13500323 is an apocalyptic number.

13500323 is a deficient number, since it is larger than the sum of its proper divisors (314005).

13500323 is an equidigital number, since it uses as much as digits as its factorization.

13500323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314004.

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

The square root of 13500323 is about 3674.2785686445. The cubic root of 13500323 is about 238.1120567821.

Adding to 13500323 its reverse (32300531), we get a palindrome (45800854).

The spelling of 13500323 in words is "thirteen million, five hundred thousand, three hundred twenty-three".