321213202413423 has 4 divisors (see below), whose sum is σ = 428284269884568. Its totient is φ = 214142134942280.

The previous prime is 321213202413359. The next prime is 321213202413461. The reversal of 321213202413423 is 324314202312123.

It is a happy number.

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 321213202413423 - 2⁶ = 321213202413359 is a prime.

It is a super-3 number, since 3×321213202413423³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213202413223) 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, 53535533735568 + ... + 53535533735573.

It is an arithmetic number, because the mean of its divisors is an integer number (107071067471142).

Almost surely, 2^{321213202413423} is an apocalyptic number.

321213202413423 is a deficient number, since it is larger than the sum of its proper divisors (107071067471145).

321213202413423 is a wasteful number, since it uses less digits than its factorization.

321213202413423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107071067471144.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 321213202413423 its reverse (324314202312123), we get a palindrome (645527404725546).

The spelling of 321213202413423 in words is "three hundred twenty-one trillion, two hundred thirteen billion, two hundred two million, four hundred thirteen thousand, four hundred twenty-three".