23132322121 has 2 divisors, whose sum is σ = 23132322122. Its totient is φ = 23132322120.

The previous prime is 23132322119. The next prime is 23132322137. The reversal of 23132322121 is 12122323132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21065619600 + 2066702521 = 145140^2 + 45461^2 .

It is a cyclic number.

It is not a de Polignac number, because 23132322121 - 2¹ = 23132322119 is a prime.

Together with 23132322119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23132322092 and 23132322101.

It is not a weakly prime, because it can be changed into another prime (23132322721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566161060 + 11566161061.

It is an arithmetic number, because the mean of its divisors is an integer number (11566161061).

Almost surely, 2^23132322121 is an apocalyptic number.

It is an amenable number.

23132322121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132322121 is an equidigital number, since it uses as much as digits as its factorization.

23132322121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

Adding to 23132322121 its reverse (12122323132), we get a palindrome (35254645253).

The spelling of 23132322121 in words is "twenty-three billion, one hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty-one".