14220523 has 4 divisors (see below), whose sum is σ = 14295168. Its totient is φ = 14145880.

The previous prime is 14220439. The next prime is 14220533. The reversal of 14220523 is 32502241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32502241 = 251 ⋅129491.

It is a cyclic number.

It is not a de Polignac number, because 14220523 - 2¹⁷ = 14089451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14220523.

It is not an unprimeable number, because it can be changed into a prime (14220533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37036 + ... + 37417.

It is an arithmetic number, because the mean of its divisors is an integer number (3573792).

Almost surely, 2^14220523 is an apocalyptic number.

14220523 is a deficient number, since it is larger than the sum of its proper divisors (74645).

14220523 is an equidigital number, since it uses as much as digits as its factorization.

14220523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74644.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 14220523 is about 3771.0108724320. The cubic root of 14220523 is about 242.2730962901.

Adding to 14220523 its reverse (32502241), we get a palindrome (46722764).

The spelling of 14220523 in words is "fourteen million, two hundred twenty thousand, five hundred twenty-three".