123321146 has 16 divisors (see below), whose sum is σ = 200047848. Its totient is φ = 56678400.

The previous prime is 123321127. The next prime is 123321161. The reversal of 123321146 is 641123321.

It can be written as a sum of positive squares in 4 ways, for example, as 121330225 + 1990921 = 11015^2 + 1411^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575 + ... + 16106.

Almost surely, 2^123321146 is an apocalyptic number.

123321146 is a deficient number, since it is larger than the sum of its proper divisors (76726702).

123321146 is a wasteful number, since it uses less digits than its factorization.

123321146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19937.

The product of its digits is 864, while the sum is 23.

The square root of 123321146 is about 11105.0054479951. The cubic root of 123321146 is about 497.7514310337.

Adding to 123321146 its reverse (641123321), we get a palindrome (764444467).

The spelling of 123321146 in words is "one hundred twenty-three million, three hundred twenty-one thousand, one hundred forty-six".