123217006 has 16 divisors (see below), whose sum is σ = 202124160. Its totient is φ = 55869880.

The previous prime is 123216983. The next prime is 123217007. The reversal of 123217006 is 600712321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123217007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (12632760).

Almost surely, 2^123217006 is an apocalyptic number.

123217006 is a deficient number, since it is larger than the sum of its proper divisors (78907154).

123217006 is a wasteful number, since it uses less digits than its factorization.

123217006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 123217006 is about 11100.3155810995. The cubic root of 123217006 is about 497.6112808819.

Adding to 123217006 its reverse (600712321), we get a palindrome (723929327).

The spelling of 123217006 in words is "one hundred twenty-three million, two hundred seventeen thousand, six".