199523375 has 32 divisors (see below), whose sum is σ = 256269312. Its totient is φ = 155040000.

The previous prime is 199523353. The next prime is 199523431. The reversal of 199523375 is 573325991.

It is a de Polignac number, because none of the positive numbers 2^k-199523375 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1044530 + ... + 1044720.

It is an arithmetic number, because the mean of its divisors is an integer number (8008416).

Almost surely, 2^199523375 is an apocalyptic number.

199523375 is a deficient number, since it is larger than the sum of its proper divisors (56745937).

199523375 is a wasteful number, since it uses less digits than its factorization.

199523375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 394 counting only the distinct ones).

The product of its digits is 255150, while the sum is 44.

The square root of 199523375 is about 14125.2743336192. The cubic root of 199523375 is about 584.3386248055.

The spelling of 199523375 in words is "one hundred ninety-nine million, five hundred twenty-three thousand, three hundred seventy-five".