123256268 has 12 divisors (see below), whose sum is σ = 227051160. Its totient is φ = 58384512.

The previous prime is 123256267. The next prime is 123256271. The reversal of 123256268 is 862652321.

It is not an unprimeable number, because it can be changed into a prime (123256261) 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, 810821 + ... + 810972.

It is an arithmetic number, because the mean of its divisors is an integer number (18920930).

Almost surely, 2^123256268 is an apocalyptic number.

It is an amenable number.

123256268 is a deficient number, since it is larger than the sum of its proper divisors (103794892).

123256268 is a wasteful number, since it uses less digits than its factorization.

123256268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621816 (or 1621814 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 123256268 is about 11102.0839485207. The cubic root of 123256268 is about 497.6641284014.

The spelling of 123256268 in words is "one hundred twenty-three million, two hundred fifty-six thousand, two hundred sixty-eight".