12326323533451 has 4 divisors (see below), whose sum is σ = 12327219941904. Its totient is φ = 12325427125000.

The previous prime is 12326323533443. The next prime is 12326323533463. The reversal of 12326323533451 is 15433532362321.

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

It is a cyclic number.

It is not a de Polignac number, because 12326323533451 - 2³ = 12326323533443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12326323533398 and 12326323533407.

It is not an unprimeable number, because it can be changed into a prime (12326323533421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 448183600 + ... + 448211101.

It is an arithmetic number, because the mean of its divisors is an integer number (3081804985476).

Almost surely, 2^{12326323533451} is an apocalyptic number.

12326323533451 is a deficient number, since it is larger than the sum of its proper divisors (896408453).

12326323533451 is an equidigital number, since it uses as much as digits as its factorization.

12326323533451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896408452.

The product of its digits is 1166400, while the sum is 43.

Adding to 12326323533451 its reverse (15433532362321), we get a palindrome (27759855895772).

The spelling of 12326323533451 in words is "twelve trillion, three hundred twenty-six billion, three hundred twenty-three million, five hundred thirty-three thousand, four hundred fifty-one".