385423 has 4 divisors (see below), whose sum is σ = 397888. Its totient is φ = 372960.

The previous prime is 385417. The next prime is 385433. The reversal of 385423 is 324583.

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 385423 - 2⁵ = 385391 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 8 + 4⁹ + 5⁵ + 2¹¹ + 3¹⁰ .

It is a Duffinian number.

385423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6186 + ... + 6247.

It is an arithmetic number, because the mean of its divisors is an integer number (99472).

2³⁸⁵⁴²³ is an apocalyptic number.

385423 is a deficient number, since it is larger than the sum of its proper divisors (12465).

385423 is a wasteful number, since it uses less digits than its factorization.

385423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12464.

The product of its digits is 2880, while the sum is 25.

The square root of 385423 is about 620.8244518380. The cubic root of 385423 is about 72.7744964604.

It can be divided in two parts, 385 and 423, that added together give a palindrome (808).

The spelling of 385423 in words is "three hundred eighty-five thousand, four hundred twenty-three".