23006508181 has 2 divisors, whose sum is σ = 23006508182. Its totient is φ = 23006508180.

The previous prime is 23006508157. The next prime is 23006508193. The reversal of 23006508181 is 18180560032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20705771025 + 2300737156 = 143895^2 + 47966^2 .

It is a cyclic number.

It is not a de Polignac number, because 23006508181 - 2²⁵ = 22972953749 is a prime.

It is a super-2 number, since 2×23006508181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23006508101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11503254090 + 11503254091.

It is an arithmetic number, because the mean of its divisors is an integer number (11503254091).

Almost surely, 2^23006508181 is an apocalyptic number.

It is an amenable number.

23006508181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23006508181 is an equidigital number, since it uses as much as digits as its factorization.

23006508181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 23006508181 in words is "twenty-three billion, six million, five hundred eight thousand, one hundred eighty-one".