123210422 has 8 divisors (see below), whose sum is σ = 187347576. Its totient is φ = 60761232.

The previous prime is 123210419. The next prime is 123210433. The reversal of 123210422 is 224012321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123210422.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 421808 + ... + 422099.

It is an arithmetic number, because the mean of its divisors is an integer number (23418447).

Almost surely, 2^123210422 is an apocalyptic number.

123210422 is a deficient number, since it is larger than the sum of its proper divisors (64137154).

123210422 is an equidigital number, since it uses as much as digits as its factorization.

123210422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843982.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123210422 is about 11100.0190089927. The cubic root of 123210422 is about 497.6024175734.

Adding to 123210422 its reverse (224012321), we get a palindrome (347222743).

The spelling of 123210422 in words is "one hundred twenty-three million, two hundred ten thousand, four hundred twenty-two".