23067521206217 has 2 divisors, whose sum is σ = 23067521206218. Its totient is φ = 23067521206216.

The previous prime is 23067521206189. The next prime is 23067521206243. The reversal of 23067521206217 is 71260212576032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12639297722041 + 10428223484176 = 3555179^2 + 3229276^2 .

It is a cyclic number.

It is not a de Polignac number, because 23067521206217 - 2¹⁴ = 23067521189833 is a prime.

It is a super-2 number, since 2×23067521206217² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23067520206217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11533760603108 + 11533760603109.

It is an arithmetic number, because the mean of its divisors is an integer number (11533760603109).

Almost surely, 2^{23067521206217} is an apocalyptic number.

It is an amenable number.

23067521206217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23067521206217 is an equidigital number, since it uses as much as digits as its factorization.

23067521206217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 23067521206217 in words is "twenty-three trillion, sixty-seven billion, five hundred twenty-one million, two hundred six thousand, two hundred seventeen".