12323205055 has 64 divisors (see below), whose sum is σ = 18308256768. Its totient is φ = 7771023360.

The previous prime is 12323205053. The next prime is 12323205067. The reversal of 12323205055 is 55050232321.

It is not a de Polignac number, because 12323205055 - 2¹ = 12323205053 is a prime.

It is a super-2 number, since 2×12323205055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323205053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5915044 + ... + 5917126.

It is an arithmetic number, because the mean of its divisors is an integer number (286066512).

Almost surely, 2^12323205055 is an apocalyptic number.

12323205055 is a deficient number, since it is larger than the sum of its proper divisors (5985051713).

12323205055 is a wasteful number, since it uses less digits than its factorization.

12323205055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336.

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

Adding to 12323205055 its reverse (55050232321), we get a palindrome (67373437376).

The spelling of 12323205055 in words is "twelve billion, three hundred twenty-three million, two hundred five thousand, fifty-five".