221322002312423 has 8 divisors (see below), whose sum is σ = 236339401802880. Its totient is φ = 206796976575840.

The previous prime is 221322002312419. The next prime is 221322002312447. The reversal of 221322002312423 is 324213200223122.

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

It is a cyclic number.

It is not a de Polignac number, because 221322002312423 - 2² = 221322002312419 is a prime.

It is a super-3 number, since 3×221322002312423³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221322002312923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123093437540 + ... + 123093439337.

It is an arithmetic number, because the mean of its divisors is an integer number (29542425225360).

Almost surely, 2^{221322002312423} is an apocalyptic number.

221322002312423 is a deficient number, since it is larger than the sum of its proper divisors (15017399490457).

221322002312423 is a wasteful number, since it uses less digits than its factorization.

221322002312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246186876937.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 221322002312423 its reverse (324213200223122), we get a palindrome (545535202535545).

The spelling of 221322002312423 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, two million, three hundred twelve thousand, four hundred twenty-three".