123804826 has 16 divisors (see below), whose sum is σ = 190437984. Its totient is φ = 60331824.

The previous prime is 123804823. The next prime is 123804841. The reversal of 123804826 is 628408321.

It is a junction number, because it is equal to n+sod(n) for n = 123804791 and 123804800.

It is not an unprimeable number, because it can be changed into a prime (123804823) 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, 47140 + ... + 49696.

It is an arithmetic number, because the mean of its divisors is an integer number (11902374).

Almost surely, 2^123804826 is an apocalyptic number.

123804826 is a deficient number, since it is larger than the sum of its proper divisors (66633158).

123804826 is a wasteful number, since it uses less digits than its factorization.

123804826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 123804826 is about 11126.7617032091. The cubic root of 123804826 is about 498.4013286140.

The spelling of 123804826 in words is "one hundred twenty-three million, eight hundred four thousand, eight hundred twenty-six".