385563023 has 2 divisors, whose sum is σ = 385563024. Its totient is φ = 385563022.

The previous prime is 385563019. The next prime is 385563071. The reversal of 385563023 is 320365583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385563023 - 2² = 385563019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385563083) 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 as a sum of consecutive naturals, namely, 192781511 + 192781512.

It is an arithmetic number, because the mean of its divisors is an integer number (192781512).

Almost surely, 2^385563023 is an apocalyptic number.

385563023 is a deficient number, since it is larger than the sum of its proper divisors (1).

385563023 is an equidigital number, since it uses as much as digits as its factorization.

385563023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 385563023 is about 19635.7587834033. The cubic root of 385563023 is about 727.8330831092.

The spelling of 385563023 in words is "three hundred eighty-five million, five hundred sixty-three thousand, twenty-three".