193120223 has 2 divisors, whose sum is σ = 193120224. Its totient is φ = 193120222.

The previous prime is 193120219. The next prime is 193120247. The reversal of 193120223 is 322021391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 193120223 - 2² = 193120219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193120523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96560111 + 96560112.

It is an arithmetic number, because the mean of its divisors is an integer number (96560112).

Almost surely, 2^193120223 is an apocalyptic number.

193120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

193120223 is an equidigital number, since it uses as much as digits as its factorization.

193120223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 193120223 is about 13896.7702362815. The cubic root of 193120223 is about 578.0196261340.

The spelling of 193120223 in words is "one hundred ninety-three million, one hundred twenty thousand, two hundred twenty-three".