22134523 has 4 divisors (see below), whose sum is σ = 22401288. Its totient is φ = 21867760.

The previous prime is 22134491. The next prime is 22134529. The reversal of 22134523 is 32543122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32543122 = 2 ⋅16271561.

It is a cyclic number.

It is not a de Polignac number, because 22134523 - 2⁵ = 22134491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22134494 and 22134503.

It is not an unprimeable number, because it can be changed into a prime (22134529) 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, 133258 + ... + 133423.

It is an arithmetic number, because the mean of its divisors is an integer number (5600322).

Almost surely, 2^22134523 is an apocalyptic number.

22134523 is a deficient number, since it is larger than the sum of its proper divisors (266765).

22134523 is an equidigital number, since it uses as much as digits as its factorization.

22134523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266764.

The product of its digits is 1440, while the sum is 22.

The square root of 22134523 is about 4704.7341051328. The cubic root of 22134523 is about 280.7738922313.

Adding to 22134523 its reverse (32543122), we get a palindrome (54677645).

The spelling of 22134523 in words is "twenty-two million, one hundred thirty-four thousand, five hundred twenty-three".