123243282 has 56 divisors (see below), whose sum is σ = 279646236. Its totient is φ = 40715136.

The previous prime is 123243257. The next prime is 123243293. The reversal of 123243282 is 282342321.

123243282 is a `hidden beast` number, since 12 + 324 + 328 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114896961 + 8346321 = 10719^2 + 2889^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 199438 + ... + 200054.

Almost surely, 2^123243282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123243282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139823118).

123243282 is an abundant number, since it is smaller than the sum of its proper divisors (156402954).

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

123243282 is an equidigital number, since it uses as much as digits as its factorization.

123243282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 759 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 123243282 is about 11101.4990879610. The cubic root of 123243282 is about 497.6466502007.

The spelling of 123243282 in words is "one hundred twenty-three million, two hundred forty-three thousand, two hundred eighty-two".