23002100020321 has 4 divisors (see below), whose sum is σ = 23003081738944. Its totient is φ = 23001118301700.

The previous prime is 23002100020253. The next prime is 23002100020327. The reversal of 23002100020321 is 12302000120032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23002100020321 - 2⁹ = 23002100019809 is a prime.

It is a super-2 number, since 2×23002100020321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23002100020295 and 23002100020304.

It is not an unprimeable number, because it can be changed into a prime (23002100020327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490824165 + ... + 490871026.

It is an arithmetic number, because the mean of its divisors is an integer number (5750770434736).

Almost surely, 2^{23002100020321} is an apocalyptic number.

It is an amenable number.

23002100020321 is a deficient number, since it is larger than the sum of its proper divisors (981718623).

23002100020321 is an equidigital number, since it uses as much as digits as its factorization.

23002100020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981718622.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23002100020321 its reverse (12302000120032), we get a palindrome (35304100140353).

The spelling of 23002100020321 in words is "twenty-three trillion, two billion, one hundred million, twenty thousand, three hundred twenty-one".