193992023 has 2 divisors, whose sum is σ = 193992024. Its totient is φ = 193992022.

The previous prime is 193991989. The next prime is 193992037. The reversal of 193992023 is 320299391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 193992023 - 2¹⁰ = 193990999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193992053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96996011 + 96996012.

It is an arithmetic number, because the mean of its divisors is an integer number (96996012).

Almost surely, 2^193992023 is an apocalyptic number.

193992023 is a deficient number, since it is larger than the sum of its proper divisors (1).

193992023 is an equidigital number, since it uses as much as digits as its factorization.

193992023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 193992023 is about 13928.1019166288. The cubic root of 193992023 is about 578.8881026410. Note that the first 3 decimals are identical.

The spelling of 193992023 in words is "one hundred ninety-three million, nine hundred ninety-two thousand, twenty-three".