21322002300023 has 4 divisors (see below), whose sum is σ = 21322083835800. Its totient is φ = 21321920764248.

The previous prime is 21322002300019. The next prime is 21322002300041. The reversal of 21322002300023 is 32000320022312.

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 21322002300023 - 2² = 21322002300019 is a prime.

It is a super-2 number, since 2×21322002300023² (a number of 27 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 = 21322002299968 and 21322002300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322002320023) 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, 40374365 + ... + 40899062.

It is an arithmetic number, because the mean of its divisors is an integer number (5330520958950).

Almost surely, 2^{21322002300023} is an apocalyptic number.

21322002300023 is a deficient number, since it is larger than the sum of its proper divisors (81535777).

21322002300023 is an equidigital number, since it uses as much as digits as its factorization.

21322002300023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81535776.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21322002300023 its reverse (32000320022312), we get a palindrome (53322322322335).

The spelling of 21322002300023 in words is "twenty-one trillion, three hundred twenty-two billion, two million, three hundred thousand, twenty-three".