195102223 has 4 divisors (see below), whose sum is σ = 199639528. Its totient is φ = 190564920.

The previous prime is 195102197. The next prime is 195102233. The reversal of 195102223 is 322201591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322201591 = 47 ⋅6855353.

It is a cyclic number.

It is not a de Polignac number, because 195102223 - 2¹⁷ = 194971151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195102233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2268588 + ... + 2268673.

It is an arithmetic number, because the mean of its divisors is an integer number (49909882).

Almost surely, 2^195102223 is an apocalyptic number.

195102223 is a deficient number, since it is larger than the sum of its proper divisors (4537305).

195102223 is an equidigital number, since it uses as much as digits as its factorization.

195102223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537304.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 195102223 is about 13967.8997347490. The cubic root of 195102223 is about 579.9903119666.

The spelling of 195102223 in words is "one hundred ninety-five million, one hundred two thousand, two hundred twenty-three".