12323556550001 has 4 divisors (see below), whose sum is σ = 12323593457892. Its totient is φ = 12323519642112.

The previous prime is 12323556549893. The next prime is 12323556550049. The reversal of 12323556550001 is 10005565532321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4785506256400 + 7538050293601 = 2187580^2 + 2745551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12323556550001 - 2¹⁰ = 12323556548977 is a prime.

It is a super-2 number, since 2×12323556550001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12323556550901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17948480 + ... + 18622433.

It is an arithmetic number, because the mean of its divisors is an integer number (3080898364473).

Almost surely, 2^{12323556550001} is an apocalyptic number.

It is an amenable number.

12323556550001 is a deficient number, since it is larger than the sum of its proper divisors (36907891).

12323556550001 is an equidigital number, since it uses as much as digits as its factorization.

12323556550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36907890.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 12323556550001 in words is "twelve trillion, three hundred twenty-three billion, five hundred fifty-six million, five hundred fifty thousand, one".