385003823 has 2 divisors, whose sum is σ = 385003824. Its totient is φ = 385003822.

The previous prime is 385003813. The next prime is 385003847. The reversal of 385003823 is 328300583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385003823 - 2¹⁴ = 384987439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385003823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385003813) 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 as a sum of consecutive naturals, namely, 192501911 + 192501912.

It is an arithmetic number, because the mean of its divisors is an integer number (192501912).

Almost surely, 2^385003823 is an apocalyptic number.

385003823 is a deficient number, since it is larger than the sum of its proper divisors (1).

385003823 is an equidigital number, since it uses as much as digits as its factorization.

385003823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 385003823 is about 19621.5142891674. The cubic root of 385003823 is about 727.4810427940.

The spelling of 385003823 in words is "three hundred eighty-five million, three thousand, eight hundred twenty-three".