23233979317 has 2 divisors, whose sum is σ = 23233979318. Its totient is φ = 23233979316.

The previous prime is 23233979291. The next prime is 23233979333. The reversal of 23233979317 is 71397933232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22008909316 + 1225070001 = 148354^2 + 35001^2 .

It is a cyclic number.

It is not a de Polignac number, because 23233979317 - 2⁷ = 23233979189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23233979347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616989658 + 11616989659.

It is an arithmetic number, because the mean of its divisors is an integer number (11616989659).

Almost surely, 2^23233979317 is an apocalyptic number.

It is an amenable number.

23233979317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23233979317 is an equidigital number, since it uses as much as digits as its factorization.

23233979317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1285956, while the sum is 49.

The spelling of 23233979317 in words is "twenty-three billion, two hundred thirty-three million, nine hundred seventy-nine thousand, three hundred seventeen".