12323064961 has 4 divisors (see below), whose sum is σ = 12338527572. Its totient is φ = 12307602352.

The previous prime is 12323064953. The next prime is 12323064989. The reversal of 12323064961 is 16946032321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16946032321 = 26833 ⋅631537.

It can be written as a sum of positive squares in 2 ways, for example, as 5061468736 + 7261596225 = 71144^2 + 85215^2 .

It is a cyclic number.

It is not a de Polignac number, because 12323064961 - 2³ = 12323064953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12323064961.

It is not an unprimeable number, because it can be changed into a prime (12323064911) 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, 7730110 + ... + 7731703.

It is an arithmetic number, because the mean of its divisors is an integer number (3084631893).

Almost surely, 2^12323064961 is an apocalyptic number.

It is an amenable number.

12323064961 is a deficient number, since it is larger than the sum of its proper divisors (15462611).

12323064961 is an equidigital number, since it uses as much as digits as its factorization.

12323064961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462610.

The product of its (nonzero) digits is 46656, while the sum is 37.

It can be divided in two parts, 123230 and 64961, that added together give a triangular number (188191 = T₆₁₃).

The spelling of 12323064961 in words is "twelve billion, three hundred twenty-three million, sixty-four thousand, nine hundred sixty-one".