20192081323 has 2 divisors, whose sum is σ = 20192081324. Its totient is φ = 20192081322.

The previous prime is 20192081321. The next prime is 20192081359. The reversal of 20192081323 is 32318029102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20192081323 - 2¹ = 20192081321 is a prime.

Together with 20192081321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20192081321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10096040661 + 10096040662.

It is an arithmetic number, because the mean of its divisors is an integer number (10096040662).

Almost surely, 2^20192081323 is an apocalyptic number.

20192081323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20192081323 is an equidigital number, since it uses as much as digits as its factorization.

20192081323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20192081323 in words is "twenty billion, one hundred ninety-two million, eighty-one thousand, three hundred twenty-three".