193243 has 2 divisors, whose sum is σ = 193244. Its totient is φ = 193242.

The previous prime is 193201. The next prime is 193247. The reversal of 193243 is 342391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 193243 - 2¹³ = 185051 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (193247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96621 + 96622.

It is an arithmetic number, because the mean of its divisors is an integer number (96622).

2¹⁹³²⁴³ is an apocalyptic number.

193243 is a deficient number, since it is larger than the sum of its proper divisors (1).

193243 is an equidigital number, since it uses as much as digits as its factorization.

193243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 193243 is about 439.5941309890. The cubic root of 193243 is about 57.8142092994.

The spelling of 193243 in words is "one hundred ninety-three thousand, two hundred forty-three".