23323121411221 has 2 divisors, whose sum is σ = 23323121411222. Its totient is φ = 23323121411220.

The previous prime is 23323121411119. The next prime is 23323121411257. The reversal of 23323121411221 is 12211412132332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18943472808100 + 4379648603121 = 4352410^2 + 2092761^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323121411221 - 2²⁹ = 23322584540309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23323121411221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23323121414221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661560705610 + 11661560705611.

It is an arithmetic number, because the mean of its divisors is an integer number (11661560705611).

Almost surely, 2^{23323121411221} is an apocalyptic number.

It is an amenable number.

23323121411221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323121411221 is an equidigital number, since it uses as much as digits as its factorization.

23323121411221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 23323121411221 its reverse (12211412132332), we get a palindrome (35534533543553).

The spelling of 23323121411221 in words is "twenty-three trillion, three hundred twenty-three billion, one hundred twenty-one million, four hundred eleven thousand, two hundred twenty-one".