11643616634323 has 4 divisors (see below), whose sum is σ = 11746657489608. Its totient is φ = 11540575779040.

The previous prime is 11643616634303. The next prime is 11643616634327. The reversal of 11643616634323 is 32343661634611.

It is a happy number.

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 11643616634323 - 2⁹ = 11643616633811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11643616634327) 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, 51520427473 + ... + 51520427698.

It is an arithmetic number, because the mean of its divisors is an integer number (2936664372402).

Almost surely, 2^{11643616634323} is an apocalyptic number.

11643616634323 is a deficient number, since it is larger than the sum of its proper divisors (103040855285).

11643616634323 is a wasteful number, since it uses less digits than its factorization.

11643616634323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103040855284.

The product of its digits is 3359232, while the sum is 49.

The spelling of 11643616634323 in words is "eleven trillion, six hundred forty-three billion, six hundred sixteen million, six hundred thirty-four thousand, three hundred twenty-three".