123313230 has 96 divisors (see below), whose sum is σ = 346788000. Its totient is φ = 30295296.

The previous prime is 123313219. The next prime is 123313231. The reversal of 123313230 is 32313321.

123313230 is a `hidden beast` number, since 12 + 331 + 323 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62296 + ... + 64244.

It is an arithmetic number, because the mean of its divisors is an integer number (3612375).

Almost surely, 2^123313230 is an apocalyptic number.

123313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123313230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173394000).

123313230 is an abundant number, since it is smaller than the sum of its proper divisors (223474770).

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

123313230 is a wasteful number, since it uses less digits than its factorization.

123313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123313230 is about 11104.6490264213. The cubic root of 123313230 is about 497.7407805634.

Adding to 123313230 its reverse (32313321), we get a palindrome (155626551).

Subtracting from 123313230 its reverse (32313321), we obtain a palindrome (90999909).

The spelling of 123313230 in words is "one hundred twenty-three million, three hundred thirteen thousand, two hundred thirty".