4623232121 has 2 divisors, whose sum is σ = 4623232122. Its totient is φ = 4623232120.

The previous prime is 4623232091. The next prime is 4623232217. The reversal of 4623232121 is 1212323264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3964591225 + 658640896 = 62965^2 + 25664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4623232121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4623232321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2311616060 + 2311616061.

It is an arithmetic number, because the mean of its divisors is an integer number (2311616061).

Almost surely, 2^4623232121 is an apocalyptic number.

It is an amenable number.

4623232121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4623232121 is an equidigital number, since it uses as much as digits as its factorization.

4623232121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 4623232121 is about 67994.3535964568. The cubic root of 4623232121 is about 1665.8986117405.

Adding to 4623232121 its reverse (1212323264), we get a palindrome (5835555385).

The spelling of 4623232121 in words is "four billion, six hundred twenty-three million, two hundred thirty-two thousand, one hundred twenty-one".