199376923 has 4 divisors (see below), whose sum is σ = 199673848. Its totient is φ = 199080000.

The previous prime is 199376911. The next prime is 199376953. The reversal of 199376923 is 329673991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199376923 - 2¹³ = 199368731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199376953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147453 + ... + 148798.

It is an arithmetic number, because the mean of its divisors is an integer number (49918462).

Almost surely, 2^199376923 is an apocalyptic number.

199376923 is a deficient number, since it is larger than the sum of its proper divisors (296925).

199376923 is an equidigital number, since it uses as much as digits as its factorization.

199376923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296924.

The product of its digits is 551124, while the sum is 49.

The square root of 199376923 is about 14120.0893410771. The cubic root of 199376923 is about 584.1956198283.

The spelling of 199376923 in words is "one hundred ninety-nine million, three hundred seventy-six thousand, nine hundred twenty-three".