123211208 has 16 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 61570000.

The previous prime is 123211201. The next prime is 123211241. The reversal of 123211208 is 802112321.

It is a self number, because there is not a number n which added to its sum of digits gives 123211208.

It is not an unprimeable number, because it can be changed into a prime (123211201) 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, 15533 + ... + 22083.

It is an arithmetic number, because the mean of its divisors is an integer number (14447160).

Almost surely, 2^123211208 is an apocalyptic number.

It is an amenable number.

123211208 is a deficient number, since it is larger than the sum of its proper divisors (107943352).

123211208 is a wasteful number, since it uses less digits than its factorization.

123211208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8908 (or 8904 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 123211208 is about 11100.0544142810. The cubic root of 123211208 is about 497.6034756945.

Adding to 123211208 its reverse (802112321), we get a palindrome (925323529).

The spelling of 123211208 in words is "one hundred twenty-three million, two hundred eleven thousand, two hundred eight".