385236423 has 24 divisors (see below), whose sum is σ = 653736720. Its totient is φ = 215516160.

The previous prime is 385236409. The next prime is 385236427. The reversal of 385236423 is 324632583.

It is a happy number.

385236423 is a `hidden beast` number, since 3 + 8 + 5 + 2 + 3 + 642 + 3 = 666.

It is not a de Polignac number, because 385236423 - 2⁵ = 385236391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385236427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148378 + ... + 150951.

It is an arithmetic number, because the mean of its divisors is an integer number (27239030).

Almost surely, 2^385236423 is an apocalyptic number.

385236423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385236423 is a deficient number, since it is larger than the sum of its proper divisors (268500297).

385236423 is a wasteful number, since it uses less digits than its factorization.

385236423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299359 (or 299356 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 385236423 is about 19627.4405616219. The cubic root of 385236423 is about 727.6275158205.

The spelling of 385236423 in words is "three hundred eighty-five million, two hundred thirty-six thousand, four hundred twenty-three".