198235523 has 2 divisors, whose sum is σ = 198235524. Its totient is φ = 198235522.

The previous prime is 198235517. The next prime is 198235537. The reversal of 198235523 is 325532891.

198235523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198235523 - 2⁴ = 198235507 is a prime.

It is not a weakly prime, because it can be changed into another prime (198235573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99117761 + 99117762.

It is an arithmetic number, because the mean of its divisors is an integer number (99117762).

Almost surely, 2^198235523 is an apocalyptic number.

198235523 is a deficient number, since it is larger than the sum of its proper divisors (1).

198235523 is an equidigital number, since it uses as much as digits as its factorization.

198235523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 198235523 is about 14079.6137375995. The cubic root of 198235523 is about 583.0786778162.

The spelling of 198235523 in words is "one hundred ninety-eight million, two hundred thirty-five thousand, five hundred twenty-three".