23245015217 has 2 divisors, whose sum is σ = 23245015218. Its totient is φ = 23245015216.

The previous prime is 23245015151. The next prime is 23245015223. The reversal of 23245015217 is 71251054232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23026241536 + 218773681 = 151744^2 + 14791^2 .

It is a cyclic number.

It is not a de Polignac number, because 23245015217 - 2²² = 23240820913 is a prime.

It is not a weakly prime, because it can be changed into another prime (23245015237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11622507608 + 11622507609.

It is an arithmetic number, because the mean of its divisors is an integer number (11622507609).

Almost surely, 2^23245015217 is an apocalyptic number.

It is an amenable number.

23245015217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23245015217 is an equidigital number, since it uses as much as digits as its factorization.

23245015217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 23245015217 its reverse (71251054232), we get a palindrome (94496069449).

The spelling of 23245015217 in words is "twenty-three billion, two hundred forty-five million, fifteen thousand, two hundred seventeen".