23340311443221 has 16 divisors (see below), whose sum is σ = 31143933744000. Its totient is φ = 15548450603328.

The previous prime is 23340311443199. The next prime is 23340311443243. The reversal of 23340311443221 is 12234411304332.

It is an interprime number because it is at equal distance from previous prime (23340311443199) and next prime (23340311443243).

It is not a de Polignac number, because 23340311443221 - 2³⁰ = 23339237701397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340311443021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42661815 + ... + 43205451.

It is an arithmetic number, because the mean of its divisors is an integer number (1946495859000).

Almost surely, 2^{23340311443221} is an apocalyptic number.

It is an amenable number.

23340311443221 is a deficient number, since it is larger than the sum of its proper divisors (7803622300779).

23340311443221 is a wasteful number, since it uses less digits than its factorization.

23340311443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554428.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 23340311443221 its reverse (12234411304332), we get a palindrome (35574722747553).

The spelling of 23340311443221 in words is "twenty-three trillion, three hundred forty billion, three hundred eleven million, four hundred forty-three thousand, two hundred twenty-one".