23240111009201 has 2 divisors, whose sum is σ = 23240111009202. Its totient is φ = 23240111009200.

The previous prime is 23240111009191. The next prime is 23240111009237. The reversal of 23240111009201 is 10290011104232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20535398560000 + 2704712449201 = 4531600^2 + 1644601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23240111009201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23240111509201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620055504600 + 11620055504601.

It is an arithmetic number, because the mean of its divisors is an integer number (11620055504601).

Almost surely, 2^{23240111009201} is an apocalyptic number.

It is an amenable number.

23240111009201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240111009201 is an equidigital number, since it uses as much as digits as its factorization.

23240111009201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 23240111009201 in words is "twenty-three trillion, two hundred forty billion, one hundred eleven million, nine thousand, two hundred one".