21301032001323 has 8 divisors (see below), whose sum is σ = 28402323371008. Its totient is φ = 14200214316264.

The previous prime is 21301032001283. The next prime is 21301032001369. The reversal of 21301032001323 is 32310023010312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21301032001323 - 2⁹ = 21301032000811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21301032001323.

It is not an unprimeable number, because it can be changed into a prime (21301032001393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118316215 + ... + 118496112.

It is an arithmetic number, because the mean of its divisors is an integer number (3550290421376).

Almost surely, 2^{21301032001323} is an apocalyptic number.

21301032001323 is a deficient number, since it is larger than the sum of its proper divisors (7101291369685).

21301032001323 is a wasteful number, since it uses less digits than its factorization.

21301032001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236842313.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21301032001323 its reverse (32310023010312), we get a palindrome (53611055011635).

The spelling of 21301032001323 in words is "twenty-one trillion, three hundred one billion, thirty-two million, one thousand, three hundred twenty-three".