198145168223 has 2 divisors, whose sum is σ = 198145168224. Its totient is φ = 198145168222.

The previous prime is 198145168217. The next prime is 198145168241. The reversal of 198145168223 is 322861541891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198145168223 - 2⁸ = 198145167967 is a prime.

It is a super-3 number, since 3×198145168223³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198145168723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99072584111 + 99072584112.

It is an arithmetic number, because the mean of its divisors is an integer number (99072584112).

Almost surely, 2^198145168223 is an apocalyptic number.

198145168223 is a deficient number, since it is larger than the sum of its proper divisors (1).

198145168223 is an equidigital number, since it uses as much as digits as its factorization.

198145168223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 50.

The spelling of 198145168223 in words is "one hundred ninety-eight billion, one hundred forty-five million, one hundred sixty-eight thousand, two hundred twenty-three".