66523053234383 has 2 divisors, whose sum is σ = 66523053234384. Its totient is φ = 66523053234382.

The previous prime is 66523053234371. The next prime is 66523053234439. The reversal of 66523053234383 is 38343235032566.

66523053234383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66523053234383 - 2⁴ = 66523053234367 is a prime.

It is a super-2 number, since 2×66523053234383² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66523053234083) 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 as a sum of consecutive naturals, namely, 33261526617191 + 33261526617192.

It is an arithmetic number, because the mean of its divisors is an integer number (33261526617192).

Almost surely, 2^{66523053234383} is an apocalyptic number.

66523053234383 is a deficient number, since it is larger than the sum of its proper divisors (1).

66523053234383 is an equidigital number, since it uses as much as digits as its factorization.

66523053234383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 53.

The spelling of 66523053234383 in words is "sixty-six trillion, five hundred twenty-three billion, fifty-three million, two hundred thirty-four thousand, three hundred eighty-three".