123242211 has 12 divisors (see below), whose sum is σ = 185756688. Its totient is φ = 78589104.

The previous prime is 123242183. The next prime is 123242239. The reversal of 123242211 is 112242321.

It is a happy number.

123242211 is a `hidden beast` number, since 1 + 232 + 422 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (123242183) and next prime (123242239).

It is not a de Polignac number, because 123242211 - 2¹⁰ = 123241187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123242261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297480 + ... + 297893.

It is an arithmetic number, because the mean of its divisors is an integer number (15479724).

Almost surely, 2^123242211 is an apocalyptic number.

123242211 is a deficient number, since it is larger than the sum of its proper divisors (62514477).

123242211 is a wasteful number, since it uses less digits than its factorization.

123242211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595402 (or 595399 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 123242211 is about 11101.4508511275. The cubic root of 123242211 is about 497.6452086587.

Adding to 123242211 its reverse (112242321), we get a palindrome (235484532).

It can be divided in two parts, 12324 and 2211, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 123242211 in words is "one hundred twenty-three million, two hundred forty-two thousand, two hundred eleven".