2123232317 has 2 divisors, whose sum is σ = 2123232318. Its totient is φ = 2123232316.

The previous prime is 2123232299. The next prime is 2123232337. The reversal of 2123232317 is 7132323212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1859851876 + 263380441 = 43126^2 + 16229^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123232317 - 2²⁰ = 2122183741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123232337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061616158 + 1061616159.

It is an arithmetic number, because the mean of its divisors is an integer number (1061616159).

Almost surely, 2^2123232317 is an apocalyptic number.

It is an amenable number.

2123232317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123232317 is an equidigital number, since it uses as much as digits as its factorization.

2123232317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 2123232317 is about 46078.5450833682. The cubic root of 2123232317 is about 1285.2842093173.

Adding to 2123232317 its reverse (7132323212), we get a palindrome (9255555529).

The spelling of 2123232317 in words is "two billion, one hundred twenty-three million, two hundred thirty-two thousand, three hundred seventeen".