1366623632323 has 4 divisors (see below), whose sum is σ = 1366640417560. Its totient is φ = 1366606847088.

The previous prime is 1366623632321. The next prime is 1366623632351. The reversal of 1366623632323 is 3232363266631.

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 1366623632323 - 2¹ = 1366623632321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366623632321) 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, 8269893 + ... + 8433526.

It is an arithmetic number, because the mean of its divisors is an integer number (341660104390).

Almost surely, 2^{1366623632323} is an apocalyptic number.

1366623632323 is a deficient number, since it is larger than the sum of its proper divisors (16785237).

1366623632323 is an equidigital number, since it uses as much as digits as its factorization.

1366623632323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16785236.

The product of its digits is 2519424, while the sum is 46.

Adding to 1366623632323 its reverse (3232363266631), we get a palindrome (4598986898954).

The spelling of 1366623632323 in words is "one trillion, three hundred sixty-six billion, six hundred twenty-three million, six hundred thirty-two thousand, three hundred twenty-three".