123404326 has 16 divisors (see below), whose sum is σ = 196215696. Its totient is φ = 58007296.

The previous prime is 123404279. The next prime is 123404327. The reversal of 123404326 is 623404321.

It is a self number, because there is not a number n which added to its sum of digits gives 123404326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123404327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43050 + ... + 45826.

It is an arithmetic number, because the mean of its divisors is an integer number (12263481).

Almost surely, 2^123404326 is an apocalyptic number.

123404326 is a deficient number, since it is larger than the sum of its proper divisors (72811370).

123404326 is a wasteful number, since it uses less digits than its factorization.

123404326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 123404326 is about 11108.7499746821. The cubic root of 123404326 is about 497.8633168433.

Adding to 123404326 its reverse (623404321), we get a palindrome (746808647).

The spelling of 123404326 in words is "one hundred twenty-three million, four hundred four thousand, three hundred twenty-six".