238123 has 4 divisors (see below), whose sum is σ = 239400. Its totient is φ = 236848.

The previous prime is 238109. The next prime is 238141. The reversal of 238123 is 321832.

It is a happy number.

238123 is nontrivially palindromic in base 4.

238123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238123 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 238123.

It is not an unprimeable number, because it can be changed into a prime (238103) 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, 298 + ... + 751.

It is an arithmetic number, because the mean of its divisors is an integer number (59850).

2²³⁸¹²³ is an apocalyptic number.

238123 is a deficient number, since it is larger than the sum of its proper divisors (1277).

238123 is a wasteful number, since it uses less digits than its factorization.

238123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its digits is 288, while the sum is 19.

The square root of 238123 is about 487.9784831322. The cubic root of 238123 is about 61.9822182791.

Adding to 238123 its reverse (321832), we get a palindrome (559955).

It can be divided in two parts, 238 and 123, that added together give a square (361 = 19²).

The spelling of 238123 in words is "two hundred thirty-eight thousand, one hundred twenty-three".