12523132133 has 4 divisors (see below), whose sum is σ = 12814367808. Its totient is φ = 12231896460.

The previous prime is 12523132117. The next prime is 12523132163. The reversal of 12523132133 is 33123132521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12523132133 - 2⁴ = 12523132117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523132103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145617773 + ... + 145617858.

It is an arithmetic number, because the mean of its divisors is an integer number (3203591952).

Almost surely, 2^12523132133 is an apocalyptic number.

It is an amenable number.

12523132133 is a deficient number, since it is larger than the sum of its proper divisors (291235675).

12523132133 is an equidigital number, since it uses as much as digits as its factorization.

12523132133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291235674.

The product of its digits is 3240, while the sum is 26.

Adding to 12523132133 its reverse (33123132521), we get a palindrome (45646264654).

The spelling of 12523132133 in words is "twelve billion, five hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-three".