12523652446 has 32 divisors (see below), whose sum is σ = 20111652000. Its totient is φ = 5828170752.

The previous prime is 12523652423. The next prime is 12523652447. The reversal of 12523652446 is 64425632521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12523652399 and 12523652408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523652447) 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, 2105745 + ... + 2111683.

It is an arithmetic number, because the mean of its divisors is an integer number (628489125).

Almost surely, 2^12523652446 is an apocalyptic number.

12523652446 is a deficient number, since it is larger than the sum of its proper divisors (7587999554).

12523652446 is a wasteful number, since it uses less digits than its factorization.

12523652446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636.

The product of its digits is 345600, while the sum is 40.

The spelling of 12523652446 in words is "twelve billion, five hundred twenty-three million, six hundred fifty-two thousand, four hundred forty-six".