388608823 has 2 divisors, whose sum is σ = 388608824. Its totient is φ = 388608822.

The previous prime is 388608793. The next prime is 388608841. The reversal of 388608823 is 328806883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 388608823 - 2²⁵ = 355054391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388608853) 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, 194304411 + 194304412.

It is an arithmetic number, because the mean of its divisors is an integer number (194304412).

Almost surely, 2^388608823 is an apocalyptic number.

388608823 is a deficient number, since it is larger than the sum of its proper divisors (1).

388608823 is an equidigital number, since it uses as much as digits as its factorization.

388608823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 388608823 is about 19713.1636984021. The cubic root of 388608823 is about 729.7445925793.

The spelling of 388608823 in words is "three hundred eighty-eight million, six hundred eight thousand, eight hundred twenty-three".