20380576552423 has 2 divisors, whose sum is σ = 20380576552424. Its totient is φ = 20380576552422.

The previous prime is 20380576552421. The next prime is 20380576552439. The reversal of 20380576552423 is 32425567508302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20380576552423 - 2¹ = 20380576552421 is a prime.

Together with 20380576552421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20380576552421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10190288276211 + 10190288276212.

It is an arithmetic number, because the mean of its divisors is an integer number (10190288276212).

Almost surely, 2^{20380576552423} is an apocalyptic number.

20380576552423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20380576552423 is an equidigital number, since it uses as much as digits as its factorization.

20380576552423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 52.

The spelling of 20380576552423 in words is "twenty trillion, three hundred eighty billion, five hundred seventy-six million, five hundred fifty-two thousand, four hundred twenty-three".