23150350520261 has 2 divisors, whose sum is σ = 23150350520262. Its totient is φ = 23150350520260.

The previous prime is 23150350520221. The next prime is 23150350520267. The reversal of 23150350520261 is 16202505305132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23145778732036 + 4571788225 = 4811006^2 + 67615^2 .

It is a cyclic number.

It is not a de Polignac number, because 23150350520261 - 2³⁰ = 23149276778437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23150350520267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575175260130 + 11575175260131.

It is an arithmetic number, because the mean of its divisors is an integer number (11575175260131).

Almost surely, 2^{23150350520261} is an apocalyptic number.

It is an amenable number.

23150350520261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23150350520261 is an equidigital number, since it uses as much as digits as its factorization.

23150350520261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 23150350520261 its reverse (16202505305132), we get a palindrome (39352855825393).

The spelling of 23150350520261 in words is "twenty-three trillion, one hundred fifty billion, three hundred fifty million, five hundred twenty thousand, two hundred sixty-one".