123313238 has 8 divisors (see below), whose sum is σ = 187048440. Its totient is φ = 60963760.

The previous prime is 123313237. The next prime is 123313259. The reversal of 123313238 is 832313321.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 346208 + ... + 346563.

It is an arithmetic number, because the mean of its divisors is an integer number (23381055).

Almost surely, 2^123313238 is an apocalyptic number.

123313238 is a deficient number, since it is larger than the sum of its proper divisors (63735202).

123313238 is an equidigital number, since it uses as much as digits as its factorization.

123313238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692862.

The product of its digits is 2592, while the sum is 26.

The square root of 123313238 is about 11104.6493866308. The cubic root of 123313238 is about 497.7407913271.

Adding to 123313238 its reverse (832313321), we get a palindrome (955626559).

The spelling of 123313238 in words is "one hundred twenty-three million, three hundred thirteen thousand, two hundred thirty-eight".