6323001620221 has 16 divisors (see below), whose sum is σ = 7819391039040. Its totient is φ = 5026751377920.

The previous prime is 6323001620207. The next prime is 6323001620227. The reversal of 6323001620221 is 1220261003236.

It is a cyclic number.

It is not a de Polignac number, because 6323001620221 - 2¹³ = 6323001612029 is a prime.

It is a super-2 number, since 2×6323001620221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6323001620221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6323001620227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163597140 + ... + 1163602573.

It is an arithmetic number, because the mean of its divisors is an integer number (488711939940).

Almost surely, 2^{6323001620221} is an apocalyptic number.

It is an amenable number.

6323001620221 is a deficient number, since it is larger than the sum of its proper divisors (1496389418819).

6323001620221 is a wasteful number, since it uses less digits than its factorization.

6323001620221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327199756.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 6323001620221 its reverse (1220261003236), we get a palindrome (7543262623457).

The spelling of 6323001620221 in words is "six trillion, three hundred twenty-three billion, one million, six hundred twenty thousand, two hundred twenty-one".