923238 has 40 divisors (see below), whose sum is σ = 2134440. Its totient is φ = 298080.

The previous prime is 923233. The next prime is 923239. The reversal of 923238 is 832329.

923238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6573 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (53361).

2⁹²³²³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067220).

923238 is an abundant number, since it is smaller than the sum of its proper divisors (1211202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923238 is a wasteful number, since it uses less digits than its factorization.

923238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 185 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 923238 is about 960.8527462624. The cubic root of 923238 is about 97.3728520122.

Subtracting from 923238 its reverse (832329), we obtain a palindrome (90909).

The spelling of 923238 in words is "nine hundred twenty-three thousand, two hundred thirty-eight".