388123 has 4 divisors (see below), whose sum is σ = 390328. Its totient is φ = 385920.

The previous prime is 388117. The next prime is 388133. The reversal of 388123 is 321883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321883 = 409 ⋅787.

It is a cyclic number.

It is not a de Polignac number, because 388123 - 2¹³ = 379931 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (388133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (97582).

2³⁸⁸¹²³ is an apocalyptic number.

388123 is a deficient number, since it is larger than the sum of its proper divisors (2205).

388123 is a wasteful number, since it uses less digits than its factorization.

388123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204.

The product of its digits is 1152, while the sum is 25.

The square root of 388123 is about 622.9951845721. The cubic root of 388123 is about 72.9440366730.

The spelling of 388123 in words is "three hundred eighty-eight thousand, one hundred twenty-three".