193628243 has 2 divisors, whose sum is σ = 193628244. Its totient is φ = 193628242.

The previous prime is 193628231. The next prime is 193628261. The reversal of 193628243 is 342826391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 193628243 - 2¹⁰ = 193627219 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 193628197 and 193628206.

It is not a weakly prime, because it can be changed into another prime (193628143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96814121 + 96814122.

It is an arithmetic number, because the mean of its divisors is an integer number (96814122).

Almost surely, 2^193628243 is an apocalyptic number.

193628243 is a deficient number, since it is larger than the sum of its proper divisors (1).

193628243 is an equidigital number, since it uses as much as digits as its factorization.

193628243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 193628243 is about 13915.0365791830. The cubic root of 193628243 is about 578.5260264385.

The spelling of 193628243 in words is "one hundred ninety-three million, six hundred twenty-eight thousand, two hundred forty-three".