123313228 has 6 divisors (see below), whose sum is σ = 215798156. Its totient is φ = 61656612.

The previous prime is 123313219. The next prime is 123313231. The reversal of 123313228 is 822313321.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15414150 + ... + 15414157.

Almost surely, 2^123313228 is an apocalyptic number.

It is an amenable number.

123313228 is a deficient number, since it is larger than the sum of its proper divisors (92484928).

123313228 is a wasteful number, since it uses less digits than its factorization.

123313228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30828311 (or 30828309 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 123313228 is about 11104.6489363689. The cubic root of 123313228 is about 497.7407778724.

Adding to 123313228 its reverse (822313321), we get a palindrome (945626549).

The spelling of 123313228 in words is "one hundred twenty-three million, three hundred thirteen thousand, two hundred twenty-eight".