23340314020021 has 4 divisors (see below), whose sum is σ = 23361590515212. Its totient is φ = 23319037524832.

The previous prime is 23340314019991. The next prime is 23340314020099. The reversal of 23340314020021 is 12002041304332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3209164119396 + 20131149900625 = 1791414^2 + 4486775^2 .

It is a cyclic number.

It is not a de Polignac number, because 23340314020021 - 2⁵ = 23340314019989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340314021021) 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, 10638245950 + ... + 10638248143.

It is an arithmetic number, because the mean of its divisors is an integer number (5840397628803).

Almost surely, 2^{23340314020021} is an apocalyptic number.

It is an amenable number.

23340314020021 is a deficient number, since it is larger than the sum of its proper divisors (21276495191).

23340314020021 is a wasteful number, since it uses less digits than its factorization.

23340314020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21276495190.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23340314020021 its reverse (12002041304332), we get a palindrome (35342355324353).

The spelling of 23340314020021 in words is "twenty-three trillion, three hundred forty billion, three hundred fourteen million, twenty thousand, twenty-one".