2133453664523 has 2 divisors, whose sum is σ = 2133453664524. Its totient is φ = 2133453664522.

The previous prime is 2133453664513. The next prime is 2133453664571. The reversal of 2133453664523 is 3254663543312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2133453664523 - 2⁸ = 2133453664267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2133453664513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066726832261 + 1066726832262.

It is an arithmetic number, because the mean of its divisors is an integer number (1066726832262).

Almost surely, 2^{2133453664523} is an apocalyptic number.

2133453664523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133453664523 is an equidigital number, since it uses as much as digits as its factorization.

2133453664523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 47.

The spelling of 2133453664523 in words is "two trillion, one hundred thirty-three billion, four hundred fifty-three million, six hundred sixty-four thousand, five hundred twenty-three".