23066385289 has 2 divisors, whose sum is σ = 23066385290. Its totient is φ = 23066385288.

The previous prime is 23066385253. The next prime is 23066385343. The reversal of 23066385289 is 98258366032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23066015625 + 369664 = 151875^2 + 608^2 .

It is a cyclic number.

It is not a de Polignac number, because 23066385289 - 2²³ = 23057996681 is a prime.

It is a super-2 number, since 2×23066385289² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23066385989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11533192644 + 11533192645.

It is an arithmetic number, because the mean of its divisors is an integer number (11533192645).

Almost surely, 2^23066385289 is an apocalyptic number.

It is an amenable number.

23066385289 is a deficient number, since it is larger than the sum of its proper divisors (1).

23066385289 is an equidigital number, since it uses as much as digits as its factorization.

23066385289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 23066385289 in words is "twenty-three billion, sixty-six million, three hundred eighty-five thousand, two hundred eighty-nine".