385941523 has 4 divisors (see below), whose sum is σ = 421027128. Its totient is φ = 350855920.

The previous prime is 385941511. The next prime is 385941557. The reversal of 385941523 is 325149583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325149583 = 11 ⋅29559053.

It is a cyclic number.

It is not a de Polignac number, because 385941523 - 2²¹ = 383844371 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385941593) 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, 17542786 + ... + 17542807.

It is an arithmetic number, because the mean of its divisors is an integer number (105256782).

Almost surely, 2^385941523 is an apocalyptic number.

385941523 is a deficient number, since it is larger than the sum of its proper divisors (35085605).

385941523 is a wasteful number, since it uses less digits than its factorization.

385941523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35085604.

The product of its digits is 129600, while the sum is 40.

The square root of 385941523 is about 19645.3944475544. The cubic root of 385941523 is about 728.0711719201.

The spelling of 385941523 in words is "three hundred eighty-five million, nine hundred forty-one thousand, five hundred twenty-three".