193948423 has 2 divisors, whose sum is σ = 193948424. Its totient is φ = 193948422.

The previous prime is 193948421. The next prime is 193948481. The reversal of 193948423 is 324849391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 193948423 - 2¹ = 193948421 is a prime.

Together with 193948421, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 193948423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193948421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96974211 + 96974212.

It is an arithmetic number, because the mean of its divisors is an integer number (96974212).

Almost surely, 2^193948423 is an apocalyptic number.

193948423 is a deficient number, since it is larger than the sum of its proper divisors (1).

193948423 is an equidigital number, since it uses as much as digits as its factorization.

193948423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 193948423 is about 13926.5366477097. The cubic root of 193948423 is about 578.8447307332.

The spelling of 193948423 in words is "one hundred ninety-three million, nine hundred forty-eight thousand, four hundred twenty-three".