195354223 has 2 divisors, whose sum is σ = 195354224. Its totient is φ = 195354222.

The previous prime is 195354169. The next prime is 195354239. The reversal of 195354223 is 322453591.

It is a strong prime.

It is an emirp because it is prime and its reverse (322453591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195354223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195354283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97677111 + 97677112.

It is an arithmetic number, because the mean of its divisors is an integer number (97677112).

Almost surely, 2^195354223 is an apocalyptic number.

195354223 is a deficient number, since it is larger than the sum of its proper divisors (1).

195354223 is an equidigital number, since it uses as much as digits as its factorization.

195354223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 195354223 is about 13976.9175070900. The cubic root of 195354223 is about 580.2399156091.

The spelling of 195354223 in words is "one hundred ninety-five million, three hundred fifty-four thousand, two hundred twenty-three".