384622923 has 4 divisors (see below), whose sum is σ = 512830568. Its totient is φ = 256415280.

The previous prime is 384622891. The next prime is 384622937. The reversal of 384622923 is 329226483.

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

It is not a de Polignac number, because 384622923 - 2⁵ = 384622891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384622963) 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, 64103818 + ... + 64103823.

It is an arithmetic number, because the mean of its divisors is an integer number (128207642).

Almost surely, 2^384622923 is an apocalyptic number.

384622923 is a deficient number, since it is larger than the sum of its proper divisors (128207645).

384622923 is a wasteful number, since it uses less digits than its factorization.

384622923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128207644.

The product of its digits is 124416, while the sum is 39.

The square root of 384622923 is about 19611.8057047280. The cubic root of 384622923 is about 727.2410547348.

The spelling of 384622923 in words is "three hundred eighty-four million, six hundred twenty-two thousand, nine hundred twenty-three".