12505502323 has 8 divisors (see below), whose sum is σ = 12679313328. Its totient is φ = 12331759104.

The previous prime is 12505502309. The next prime is 12505502329. The reversal of 12505502323 is 32320550521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12505502323 - 2³³ = 3915567731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12505502291 and 12505502300.

It is not an unprimeable number, because it can be changed into a prime (12505502329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439011 + ... + 466627.

It is an arithmetic number, because the mean of its divisors is an integer number (1584914166).

Almost surely, 2^12505502323 is an apocalyptic number.

12505502323 is a deficient number, since it is larger than the sum of its proper divisors (173811005).

12505502323 is an equidigital number, since it uses as much as digits as its factorization.

12505502323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33893.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 12505502323 in words is "twelve billion, five hundred five million, five hundred two thousand, three hundred twenty-three".