12000523 has 2 divisors, whose sum is σ = 12000524. Its totient is φ = 12000522.

The previous prime is 12000511. The next prime is 12000551. The reversal of 12000523 is 32500021.

It is a weak prime.

It is an emirp because it is prime and its reverse (32500021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000523 is a prime.

It is not a weakly prime, because it can be changed into another prime (12000563) 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 as a sum of consecutive naturals, namely, 6000261 + 6000262.

It is an arithmetic number, because the mean of its divisors is an integer number (6000262).

Almost surely, 2^12000523 is an apocalyptic number.

12000523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000523 is an equidigital number, since it uses as much as digits as its factorization.

12000523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 12000523 is about 3464.1771028630. The cubic root of 12000523 is about 228.9461744932.

Adding to 12000523 its reverse (32500021), we get a palindrome (44500544).

The spelling of 12000523 in words is "twelve million, five hundred twenty-three", and thus it is an aban number.