23950642217 has 2 divisors, whose sum is σ = 23950642218. Its totient is φ = 23950642216.

The previous prime is 23950642213. The next prime is 23950642231. The reversal of 23950642217 is 71224605932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22734306841 + 1216335376 = 150779^2 + 34876^2 .

It is a cyclic number.

It is not a de Polignac number, because 23950642217 - 2² = 23950642213 is a prime.

It is not a weakly prime, because it can be changed into another prime (23950642211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11975321108 + 11975321109.

It is an arithmetic number, because the mean of its divisors is an integer number (11975321109).

Almost surely, 2^23950642217 is an apocalyptic number.

It is an amenable number.

23950642217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23950642217 is an equidigital number, since it uses as much as digits as its factorization.

23950642217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 23950642217 in words is "twenty-three billion, nine hundred fifty million, six hundred forty-two thousand, two hundred seventeen".