12144523 has 2 divisors, whose sum is σ = 12144524. Its totient is φ = 12144522.

The previous prime is 12144521. The next prime is 12144563. The reversal of 12144523 is 32544121.

It is a weak prime.

It is an emirp because it is prime and its reverse (32544121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12144523 - 2¹ = 12144521 is a prime.

Together with 12144521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12144494 and 12144503.

It is not a weakly prime, because it can be changed into another prime (12144521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072261 + 6072262.

It is an arithmetic number, because the mean of its divisors is an integer number (6072262).

Almost surely, 2^12144523 is an apocalyptic number.

12144523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144523 is an equidigital number, since it uses as much as digits as its factorization.

12144523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 22.

The square root of 12144523 is about 3484.8992811845. The cubic root of 12144523 is about 229.8582806845.

Adding to 12144523 its reverse (32544121), we get a palindrome (44688644).

It can be divided in two parts, 121 and 44523, that added together give a palindrome (44644).

The spelling of 12144523 in words is "twelve million, one hundred forty-four thousand, five hundred twenty-three".