385023 has 4 divisors (see below), whose sum is σ = 513368. Its totient is φ = 256680.

The previous prime is 385013. The next prime is 385027. The reversal of 385023 is 320583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320583 = 3 ⋅106861.

It is not a de Polignac number, because 385023 - 2¹⁷ = 253951 is a prime.

It is a D-number.

It is a Duffinian number.

385023 is a lucky number.

It is a plaindrome in base 8 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64168 + ... + 64173.

It is an arithmetic number, because the mean of its divisors is an integer number (128342).

2³⁸⁵⁰²³ is an apocalyptic number.

385023 is a deficient number, since it is larger than the sum of its proper divisors (128345).

385023 is a wasteful number, since it uses less digits than its factorization.

385023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128344.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 385023 is about 620.5022159509. The cubic root of 385023 is about 72.7493121178.

The spelling of 385023 in words is "three hundred eighty-five thousand, twenty-three".