384992423 has 4 divisors (see below), whose sum is σ = 401731248. Its totient is φ = 368253600.

The previous prime is 384992393. The next prime is 384992431. The reversal of 384992423 is 324299483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324299483 = 47 ⋅6899989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384992423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384992123) 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, 8369378 + ... + 8369423.

It is an arithmetic number, because the mean of its divisors is an integer number (100432812).

Almost surely, 2^384992423 is an apocalyptic number.

384992423 is a deficient number, since it is larger than the sum of its proper divisors (16738825).

384992423 is a wasteful number, since it uses less digits than its factorization.

384992423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738824.

The product of its digits is 373248, while the sum is 44.

The square root of 384992423 is about 19621.2237895601. The cubic root of 384992423 is about 727.4738624620.

The spelling of 384992423 in words is "three hundred eighty-four million, nine hundred ninety-two thousand, four hundred twenty-three".