321133423 has 4 divisors (see below), whose sum is σ = 345836008. Its totient is φ = 296430840.

The previous prime is 321133409. The next prime is 321133427. The reversal of 321133423 is 324331123.

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

It is a cyclic number.

It is not a de Polignac number, because 321133423 - 2¹⁷ = 321002351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321133394 and 321133403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321133427) 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, 12351273 + ... + 12351298.

It is an arithmetic number, because the mean of its divisors is an integer number (86459002).

Almost surely, 2^321133423 is an apocalyptic number.

321133423 is a deficient number, since it is larger than the sum of its proper divisors (24702585).

321133423 is a wasteful number, since it uses less digits than its factorization.

321133423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24702584.

The product of its digits is 1296, while the sum is 22.

The square root of 321133423 is about 17920.1959531697. The cubic root of 321133423 is about 684.7969796344.

Adding to 321133423 its reverse (324331123), we get a palindrome (645464546).

The spelling of 321133423 in words is "three hundred twenty-one million, one hundred thirty-three thousand, four hundred twenty-three".