123305226 has 16 divisors (see below), whose sum is σ = 269029728. Its totient is φ = 37365200.

The previous prime is 123305177. The next prime is 123305227. The reversal of 123305226 is 622503321.

It is a super-2 number, since 2×123305226² = 30408357517822152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123305196 and 123305205.

It is not an unprimeable number, because it can be changed into a prime (123305227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934065 + ... + 934196.

It is an arithmetic number, because the mean of its divisors is an integer number (16814358).

Almost surely, 2^123305226 is an apocalyptic number.

123305226 is an abundant number, since it is smaller than the sum of its proper divisors (145724502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123305226 is a wasteful number, since it uses less digits than its factorization.

123305226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868277.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 123305226 is about 11104.2886309750. The cubic root of 123305226 is about 497.7300112312.

Adding to 123305226 its reverse (622503321), we get a palindrome (745808547).

The spelling of 123305226 in words is "one hundred twenty-three million, three hundred five thousand, two hundred twenty-six".