120023200181 has 2 divisors, whose sum is σ = 120023200182. Its totient is φ = 120023200180.

The previous prime is 120023200177. The next prime is 120023200229. The reversal of 120023200181 is 181002320021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72558041956 + 47465158225 = 269366^2 + 217865^2 .

It is a cyclic number.

It is not a de Polignac number, because 120023200181 - 2² = 120023200177 is a prime.

It is a super-3 number, since 3×120023200181³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120023200081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60011600090 + 60011600091.

It is an arithmetic number, because the mean of its divisors is an integer number (60011600091).

Almost surely, 2^120023200181 is an apocalyptic number.

It is an amenable number.

120023200181 is a deficient number, since it is larger than the sum of its proper divisors (1).

120023200181 is an equidigital number, since it uses as much as digits as its factorization.

120023200181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The spelling of 120023200181 in words is "one hundred twenty billion, twenty-three million, two hundred thousand, one hundred eighty-one".