195855023 has 16 divisors (see below), whose sum is σ = 247571520. Its totient is φ = 150771456.

The previous prime is 195855013. The next prime is 195855109. The reversal of 195855023 is 320558591.

It is a cyclic number.

It is not a de Polignac number, because 195855023 - 2⁴ = 195855007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195855013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25718 + ... + 32451.

It is an arithmetic number, because the mean of its divisors is an integer number (15473220).

Almost surely, 2^195855023 is an apocalyptic number.

195855023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

195855023 is a deficient number, since it is larger than the sum of its proper divisors (51716497).

195855023 is a wasteful number, since it uses less digits than its factorization.

195855023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58226.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 195855023 is about 13994.8212921780. The cubic root of 195855023 is about 580.7353168849.

The spelling of 195855023 in words is "one hundred ninety-five million, eight hundred fifty-five thousand, twenty-three".