321213410133423 has 8 divisors (see below), whose sum is σ = 428284636512000. Its totient is φ = 214142228588568.

The previous prime is 321213410133401. The next prime is 321213410133439. The reversal of 321213410133423 is 324331014312123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321213410133423 - 2⁹ = 321213410132911 is a prime.

It is a super-2 number, since 2×321213410133423² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213410133443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12943528 + ... + 28459826.

It is an arithmetic number, because the mean of its divisors is an integer number (53535579564000).

Almost surely, 2^{321213410133423} is an apocalyptic number.

321213410133423 is a deficient number, since it is larger than the sum of its proper divisors (107071226378577).

321213410133423 is a wasteful number, since it uses less digits than its factorization.

321213410133423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416861.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 321213410133423 its reverse (324331014312123), we get a palindrome (645544424445546).

The spelling of 321213410133423 in words is "three hundred twenty-one trillion, two hundred thirteen billion, four hundred ten million, one hundred thirty-three thousand, four hundred twenty-three".