2423232121 has 2 divisors, whose sum is σ = 2423232122. Its totient is φ = 2423232120.

The previous prime is 2423232029. The next prime is 2423232131. The reversal of 2423232121 is 1212323242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2404431225 + 18800896 = 49035^2 + 4336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423232121 - 2¹⁵ = 2423199353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2423232092 and 2423232101.

It is not a weakly prime, because it can be changed into another prime (2423232131) 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, 1211616060 + 1211616061.

It is an arithmetic number, because the mean of its divisors is an integer number (1211616061).

Almost surely, 2^2423232121 is an apocalyptic number.

It is an amenable number.

2423232121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423232121 is an equidigital number, since it uses as much as digits as its factorization.

2423232121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 2423232121 is about 49226.3356446526. The cubic root of 2423232121 is about 1343.1721315360.

Adding to 2423232121 its reverse (1212323242), we get a palindrome (3635555363).

The spelling of 2423232121 in words is "two billion, four hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-one".