193705423 has 2 divisors, whose sum is σ = 193705424. Its totient is φ = 193705422.

The previous prime is 193705409. The next prime is 193705433. The reversal of 193705423 is 324507391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 193705423 - 2⁹ = 193704911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193705403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96852711 + 96852712.

It is an arithmetic number, because the mean of its divisors is an integer number (96852712).

Almost surely, 2^193705423 is an apocalyptic number.

193705423 is a deficient number, since it is larger than the sum of its proper divisors (1).

193705423 is an equidigital number, since it uses as much as digits as its factorization.

193705423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 193705423 is about 13917.8095618528. The cubic root of 193705423 is about 578.6028828357.

The spelling of 193705423 in words is "one hundred ninety-three million, seven hundred five thousand, four hundred twenty-three".