195228923 has 2 divisors, whose sum is σ = 195228924. Its totient is φ = 195228922.

The previous prime is 195228911. The next prime is 195228947. The reversal of 195228923 is 329822591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195228923 - 2¹⁰ = 195227899 is a prime.

It is a super-2 number, since 2×195228923² = 76228664751479858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (195228023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97614461 + 97614462.

It is an arithmetic number, because the mean of its divisors is an integer number (97614462).

Almost surely, 2^195228923 is an apocalyptic number.

195228923 is a deficient number, since it is larger than the sum of its proper divisors (1).

195228923 is an equidigital number, since it uses as much as digits as its factorization.

195228923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 195228923 is about 13972.4343977705. The cubic root of 195228923 is about 580.1158339794.

The spelling of 195228923 in words is "one hundred ninety-five million, two hundred twenty-eight thousand, nine hundred twenty-three".