12323223553506 has 16 divisors (see below), whose sum is σ = 24646524074784. Its totient is φ = 4107728356544.

The previous prime is 12323223553457. The next prime is 12323223553523. The reversal of 12323223553506 is 60535532232321.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009776 + ... + 5066171.

It is an arithmetic number, because the mean of its divisors is an integer number (1540407754674).

Almost surely, 2^{12323223553506} is an apocalyptic number.

12323223553506 is an abundant number, since it is smaller than the sum of its proper divisors (12323300521278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323223553506 is a wasteful number, since it uses less digits than its factorization.

12323223553506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413985.

The product of its (nonzero) digits is 972000, while the sum is 42.

Adding to 12323223553506 its reverse (60535532232321), we get a palindrome (72858755785827).

The spelling of 12323223553506 in words is "twelve trillion, three hundred twenty-three billion, two hundred twenty-three million, five hundred fifty-three thousand, five hundred six".