195123930 has 16 divisors (see below), whose sum is σ = 468297504. Its totient is φ = 52033040.

The previous prime is 195123923. The next prime is 195123947. The reversal of 195123930 is 39321591.

It is a junction number, because it is equal to n+sod(n) for n = 195123891 and 195123900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252036 + ... + 3252095.

It is an arithmetic number, because the mean of its divisors is an integer number (29268594).

Almost surely, 2^195123930 is an apocalyptic number.

195123930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195123930 is an abundant number, since it is smaller than the sum of its proper divisors (273173574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195123930 is a wasteful number, since it uses less digits than its factorization.

195123930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504141.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 195123930 is about 13968.6767447744. The cubic root of 195123930 is about 580.0118210036.

The spelling of 195123930 in words is "one hundred ninety-five million, one hundred twenty-three thousand, nine hundred thirty".