21030101440323 has 16 divisors (see below), whose sum is σ = 28142006678016. Its totient is φ = 13969166122080.

The previous prime is 21030101440307. The next prime is 21030101440331. The reversal of 21030101440323 is 32304410103012.

It is a happy number.

It is not a de Polignac number, because 21030101440323 - 2⁴ = 21030101440307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21030101440293 and 21030101440302.

It is not an unprimeable number, because it can be changed into a prime (21030101440393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1814436 + ... + 6734417.

It is an arithmetic number, because the mean of its divisors is an integer number (1758875417376).

Almost surely, 2^{21030101440323} is an apocalyptic number.

21030101440323 is a deficient number, since it is larger than the sum of its proper divisors (7111905237693).

21030101440323 is a wasteful number, since it uses less digits than its factorization.

21030101440323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551834.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21030101440323 its reverse (32304410103012), we get a palindrome (53334511543335).

The spelling of 21030101440323 in words is "twenty-one trillion, thirty billion, one hundred one million, four hundred forty thousand, three hundred twenty-three".