123304133 has 4 divisors (see below), whose sum is σ = 124525068. Its totient is φ = 122083200.

The previous prime is 123304109. The next prime is 123304147. The reversal of 123304133 is 331403321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 117462244 + 5841889 = 10838^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 123304133 - 2⁸ = 123303877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123304183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610316 + ... + 610517.

It is an arithmetic number, because the mean of its divisors is an integer number (31131267).

Almost surely, 2^123304133 is an apocalyptic number.

It is an amenable number.

123304133 is a deficient number, since it is larger than the sum of its proper divisors (1220935).

123304133 is a wasteful number, since it uses less digits than its factorization.

123304133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220934.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 123304133 is about 11104.2394156466. The cubic root of 123304133 is about 497.7285405703.

Adding to 123304133 its reverse (331403321), we get a palindrome (454707454).

The spelling of 123304133 in words is "one hundred twenty-three million, three hundred four thousand, one hundred thirty-three".