195774923 has 2 divisors, whose sum is σ = 195774924. Its totient is φ = 195774922.

The previous prime is 195774913. The next prime is 195774937. The reversal of 195774923 is 329477591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195774923 - 2¹⁶ = 195709387 is a prime.

It is not a weakly prime, because it can be changed into another prime (195774913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97887461 + 97887462.

It is an arithmetic number, because the mean of its divisors is an integer number (97887462).

Almost surely, 2^195774923 is an apocalyptic number.

195774923 is a deficient number, since it is larger than the sum of its proper divisors (1).

195774923 is an equidigital number, since it uses as much as digits as its factorization.

195774923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 195774923 is about 13991.9592266416. The cubic root of 195774923 is about 580.6561371579.

The spelling of 195774923 in words is "one hundred ninety-five million, seven hundred seventy-four thousand, nine hundred twenty-three".