21300100101323 has 4 divisors (see below), whose sum is σ = 21302052637680. Its totient is φ = 21298147564968.

The previous prime is 21300100101271. The next prime is 21300100101341. The reversal of 21300100101323 is 32310100100312.

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 21300100101323 - 2⁸ = 21300100101067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21300100101373) 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, 976251815 + ... + 976273632.

It is an arithmetic number, because the mean of its divisors is an integer number (5325513159420).

Almost surely, 2^{21300100101323} is an apocalyptic number.

21300100101323 is a deficient number, since it is larger than the sum of its proper divisors (1952536357).

21300100101323 is a wasteful number, since it uses less digits than its factorization.

21300100101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952536356.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21300100101323 its reverse (32310100100312), we get a palindrome (53610200201635).

The spelling of 21300100101323 in words is "twenty-one trillion, three hundred billion, one hundred million, one hundred one thousand, three hundred twenty-three".