13830523 has 4 divisors (see below), whose sum is σ = 15806320. Its totient is φ = 11854728.

The previous prime is 13830497. The next prime is 13830527. The reversal of 13830523 is 32503831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32503831 = 3001 ⋅10831.

It is a cyclic number.

It is not a de Polignac number, because 13830523 - 2⁵ = 13830491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13830527) 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, 987888 + ... + 987901.

It is an arithmetic number, because the mean of its divisors is an integer number (3951580).

Almost surely, 2^13830523 is an apocalyptic number.

13830523 is a deficient number, since it is larger than the sum of its proper divisors (1975797).

13830523 is an equidigital number, since it uses as much as digits as its factorization.

13830523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975796.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13830523 is about 3718.9411127363. The cubic root of 13830523 is about 240.0377429068.

The spelling of 13830523 in words is "thirteen million, eight hundred thirty thousand, five hundred twenty-three".