23323231201121 has 2 divisors, whose sum is σ = 23323231201122. Its totient is φ = 23323231201120.

The previous prime is 23323231201117. The next prime is 23323231201133. The reversal of 23323231201121 is 12110213232332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18981575536225 + 4341655664896 = 4356785^2 + 2083664^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323231201121 - 2² = 23323231201117 is a prime.

It is a super-2 number, since 2×23323231201121² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23323231251121) 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 as a sum of consecutive naturals, namely, 11661615600560 + 11661615600561.

It is an arithmetic number, because the mean of its divisors is an integer number (11661615600561).

Almost surely, 2^{23323231201121} is an apocalyptic number.

It is an amenable number.

23323231201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323231201121 is an equidigital number, since it uses as much as digits as its factorization.

23323231201121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 23323231201121 its reverse (12110213232332), we get a palindrome (35433444433453).

The spelling of 23323231201121 in words is "twenty-three trillion, three hundred twenty-three billion, two hundred thirty-one million, two hundred one thousand, one hundred twenty-one".