12452053523 has 16 divisors (see below), whose sum is σ = 15651686400. Its totient is φ = 9642550176.

The previous prime is 12452053501. The next prime is 12452053573. The reversal of 12452053523 is 32535025421.

It is not a de Polignac number, because 12452053523 - 2⁶ = 12452053459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12452053523.

It is not an unprimeable number, because it can be changed into a prime (12452053573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451423 + ... + 1459976.

It is an arithmetic number, because the mean of its divisors is an integer number (978230400).

Almost surely, 2^12452053523 is an apocalyptic number.

12452053523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12452053523 is a deficient number, since it is larger than the sum of its proper divisors (3199632877).

12452053523 is a wasteful number, since it uses less digits than its factorization.

12452053523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911466.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 12452053523 its reverse (32535025421), we get a palindrome (44987078944).

The spelling of 12452053523 in words is "twelve billion, four hundred fifty-two million, fifty-three thousand, five hundred twenty-three".