193493423 has 4 divisors (see below), whose sum is σ = 200165640. Its totient is φ = 186821208.

The previous prime is 193493393. The next prime is 193493429. The reversal of 193493423 is 324394391.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 193493423 - 2²² = 189299119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193493429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3336065 + ... + 3336122.

It is an arithmetic number, because the mean of its divisors is an integer number (50041410).

Almost surely, 2^193493423 is an apocalyptic number.

193493423 is a deficient number, since it is larger than the sum of its proper divisors (6672217).

193493423 is an equidigital number, since it uses as much as digits as its factorization.

193493423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672216.

The product of its digits is 69984, while the sum is 38.

The square root of 193493423 is about 13910.1913358516. The cubic root of 193493423 is about 578.3917227038.

The spelling of 193493423 in words is "one hundred ninety-three million, four hundred ninety-three thousand, four hundred twenty-three".