12042523 has 16 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 11007360.

The previous prime is 12042517. The next prime is 12042551. The reversal of 12042523 is 32524021.

It is a cyclic number.

It is not a de Polignac number, because 12042523 - 2⁵ = 12042491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12042523.

It is not an unprimeable number, because it can be changed into a prime (12042923) 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 15 ways as a sum of consecutive naturals, for example, 106515 + ... + 106627.

It is an arithmetic number, because the mean of its divisors is an integer number (820800).

Almost surely, 2^12042523 is an apocalyptic number.

12042523 is a deficient number, since it is larger than the sum of its proper divisors (1090277).

12042523 is a wasteful number, since it uses less digits than its factorization.

12042523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282.

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

The square root of 12042523 is about 3470.2338537914. The cubic root of 12042523 is about 229.2129557331.

Adding to 12042523 its reverse (32524021), we get a palindrome (44566544).

The spelling of 12042523 in words is "twelve million, forty-two thousand, five hundred twenty-three".