21301102243323 has 12 divisors (see below), whose sum is σ = 35163724338288. Its totient is φ = 12172058424720.

The previous prime is 21301102243307. The next prime is 21301102243339. The reversal of 21301102243323 is 32334220110312.

21301102243323 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 110 + 224 + 3 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (21301102243307) and next prime (21301102243339).

It is not a de Polignac number, because 21301102243323 - 2⁴ = 21301102243307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21301102243123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169056366948 + ... + 169056367073.

It is an arithmetic number, because the mean of its divisors is an integer number (2930310361524).

Almost surely, 2^{21301102243323} is an apocalyptic number.

21301102243323 is a deficient number, since it is larger than the sum of its proper divisors (13862622094965).

21301102243323 is a wasteful number, since it uses less digits than its factorization.

21301102243323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338112734034 (or 338112734031 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21301102243323 its reverse (32334220110312), we get a palindrome (53635322353635).

The spelling of 21301102243323 in words is "twenty-one trillion, three hundred one billion, one hundred two million, two hundred forty-three thousand, three hundred twenty-three".