384723 has 8 divisors (see below), whose sum is σ = 570000. Its totient is φ = 256464.

The previous prime is 384719. The next prime is 384733. The reversal of 384723 is 327483.

It is not a de Polignac number, because 384723 - 2² = 384719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 14249 = 384723 / (3 + 8 + 4 + 7 + 2 + 3).

384723 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (384733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098 + ... + 7151.

It is an arithmetic number, because the mean of its divisors is an integer number (71250).

2³⁸⁴⁷²³ is an apocalyptic number.

384723 is a deficient number, since it is larger than the sum of its proper divisors (185277).

384723 is a wasteful number, since it uses less digits than its factorization.

384723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14258 (or 14252 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 384723 is about 620.2604291747. The cubic root of 384723 is about 72.7304124118.

It can be divided in two parts, 38 and 4723, that added together give a square (4761 = 69²).

The spelling of 384723 in words is "three hundred eighty-four thousand, seven hundred twenty-three".