21302001001323 has 96 divisors (see below), whose sum is σ = 37092010475520. Its totient is φ = 11965916108160.

The previous prime is 21302001001301. The next prime is 21302001001339. The reversal of 21302001001323 is 32310010020312.

21302001001323 is a `hidden beast` number, since 2 + 130 + 200 + 10 + 0 + 1 + 323 = 666.

It is not a de Polignac number, because 21302001001323 - 2¹³ = 21302000993131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21302001001296 and 21302001001305.

It is not an unprimeable number, because it can be changed into a prime (21302001000323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23094613 + ... + 23999273.

It is an arithmetic number, because the mean of its divisors is an integer number (386375109120).

Almost surely, 2^{21302001001323} is an apocalyptic number.

21302001001323 is a deficient number, since it is larger than the sum of its proper divisors (15790009474197).

21302001001323 is a wasteful number, since it uses less digits than its factorization.

21302001001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904919 (or 904907 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21302001001323 its reverse (32310010020312), we get a palindrome (53612011021635).

The spelling of 21302001001323 in words is "twenty-one trillion, three hundred two billion, one million, one thousand, three hundred twenty-three".