12523043 has 4 divisors (see below), whose sum is σ = 13486368. Its totient is φ = 11559720.

The previous prime is 12522973. The next prime is 12523073. The reversal of 12523043 is 34032521.

It is a happy number.

12523043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12523043 - 2²⁰ = 11474467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12523073) 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 3 ways as a sum of consecutive naturals, for example, 481643 + ... + 481668.

It is an arithmetic number, because the mean of its divisors is an integer number (3371592).

Almost surely, 2^12523043 is an apocalyptic number.

12523043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12523043 is a deficient number, since it is larger than the sum of its proper divisors (963325).

12523043 is an equidigital number, since it uses as much as digits as its factorization.

12523043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963324.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12523043 is about 3538.7911777894. The cubic root of 12523043 is about 232.2219623157.

Adding to 12523043 its reverse (34032521), we get a palindrome (46555564).

The spelling of 12523043 in words is "twelve million, five hundred twenty-three thousand, forty-three".