388064923 has 4 divisors (see below), whose sum is σ = 392740488. Its totient is φ = 383389360.

The previous prime is 388064881. The next prime is 388064951. The reversal of 388064923 is 329460883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329460883 = 43 ⋅7661881.

It is a cyclic number.

It is not a de Polignac number, because 388064923 - 2¹⁷ = 387933851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 388064923.

It is not an unprimeable number, because it can be changed into a prime (388064953) 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, 2337658 + ... + 2337823.

It is an arithmetic number, because the mean of its divisors is an integer number (98185122).

Almost surely, 2^388064923 is an apocalyptic number.

388064923 is a deficient number, since it is larger than the sum of its proper divisors (4675565).

388064923 is an equidigital number, since it uses as much as digits as its factorization.

388064923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675564.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 388064923 is about 19699.3635176368. The cubic root of 388064923 is about 729.4039815102.

The spelling of 388064923 in words is "three hundred eighty-eight million, sixty-four thousand, nine hundred twenty-three".