123808226 has 4 divisors (see below), whose sum is σ = 185712342. Its totient is φ = 61904112.

The previous prime is 123808211. The next prime is 123808249. The reversal of 123808226 is 622808321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110229001 + 13579225 = 10499^2 + 3685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123808192 and 123808201.

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 as a sum of consecutive naturals, namely, 30952055 + ... + 30952058.

Almost surely, 2^123808226 is an apocalyptic number.

123808226 is a deficient number, since it is larger than the sum of its proper divisors (61904116).

123808226 is an equidigital number, since it uses as much as digits as its factorization.

123808226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61904115.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 123808226 is about 11126.9144869546. The cubic root of 123808226 is about 498.4058910344.

The spelling of 123808226 in words is "one hundred twenty-three million, eight hundred eight thousand, two hundred twenty-six".