23344214221 has 2 divisors, whose sum is σ = 23344214222. Its totient is φ = 23344214220.

The previous prime is 23344214213. The next prime is 23344214293. The reversal of 23344214221 is 12241244332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17925193225 + 5419020996 = 133885^2 + 73614^2 .

It is a cyclic number.

It is not a de Polignac number, because 23344214221 - 2³ = 23344214213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23344214221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23344215221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672107110 + 11672107111.

It is an arithmetic number, because the mean of its divisors is an integer number (11672107111).

Almost surely, 2^23344214221 is an apocalyptic number.

It is an amenable number.

23344214221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23344214221 is an equidigital number, since it uses as much as digits as its factorization.

23344214221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 28.

Adding to 23344214221 its reverse (12241244332), we get a palindrome (35585458553).

The spelling of 23344214221 in words is "twenty-three billion, three hundred forty-four million, two hundred fourteen thousand, two hundred twenty-one".