299239923 has 4 divisors (see below), whose sum is σ = 398986568. Its totient is φ = 199493280.

The previous prime is 299239907. The next prime is 299239939. The reversal of 299239923 is 329932992.

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

It is an interprime number because it is at equal distance from previous prime (299239907) and next prime (299239939).

It is not a de Polignac number, because 299239923 - 2⁴ = 299239907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (299239903) 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, 49873318 + ... + 49873323.

It is an arithmetic number, because the mean of its divisors is an integer number (99746642).

Almost surely, 2^299239923 is an apocalyptic number.

299239923 is a deficient number, since it is larger than the sum of its proper divisors (99746645).

299239923 is an equidigital number, since it uses as much as digits as its factorization.

299239923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99746644.

The product of its digits is 472392, while the sum is 48.

The square root of 299239923 is about 17298.5526273154. The cubic root of 299239923 is about 668.8671157394.

The spelling of 299239923 in words is "two hundred ninety-nine million, two hundred thirty-nine thousand, nine hundred twenty-three".