23302100422021 has 4 divisors (see below), whose sum is σ = 23302131654700. Its totient is φ = 23302069189344.

The previous prime is 23302100422009. The next prime is 23302100422033. The reversal of 23302100422021 is 12022400120332.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23302100422009) and next prime (23302100422033).

It can be written as a sum of positive squares in 2 ways, for example, as 10230882030625 + 13071218391396 = 3198575^2 + 3615414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23302100422021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23302100421983 and 23302100422001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23302100422721) 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, 14469126 + ... + 15998743.

It is an arithmetic number, because the mean of its divisors is an integer number (5825532913675).

Almost surely, 2^{23302100422021} is an apocalyptic number.

It is an amenable number.

23302100422021 is a deficient number, since it is larger than the sum of its proper divisors (31232679).

23302100422021 is an equidigital number, since it uses as much as digits as its factorization.

23302100422021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31232678.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23302100422021 its reverse (12022400120332), we get a palindrome (35324500542353).

The spelling of 23302100422021 in words is "twenty-three trillion, three hundred two billion, one hundred million, four hundred twenty-two thousand, twenty-one".