23312017 has 2 divisors, whose sum is σ = 23312018. Its totient is φ = 23312016.

The previous prime is 23312011. The next prime is 23312053. The reversal of 23312017 is 71021332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15023376 + 8288641 = 3876^2 + 2879^2 .

It is a cyclic number.

It is not a de Polignac number, because 23312017 - 2¹⁹ = 22787729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23311985 and 23312003.

It is not a weakly prime, because it can be changed into another prime (23312011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656008 + 11656009.

It is an arithmetic number, because the mean of its divisors is an integer number (11656009).

Almost surely, 2^23312017 is an apocalyptic number.

It is an amenable number.

23312017 is a deficient number, since it is larger than the sum of its proper divisors (1).

23312017 is an equidigital number, since it uses as much as digits as its factorization.

23312017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 23312017 is about 4828.2519611139. The cubic root of 23312017 is about 285.6669187072. Note that the first 3 decimals are identical.

Adding to 23312017 its reverse (71021332), we get a palindrome (94333349).

The spelling of 23312017 in words is "twenty-three million, three hundred twelve thousand, seventeen".