23212454400181 has 2 divisors, whose sum is σ = 23212454400182. Its totient is φ = 23212454400180.

The previous prime is 23212454400139. The next prime is 23212454400197. The reversal of 23212454400181 is 18100445421232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21396452896900 + 1816001503281 = 4625630^2 + 1347591^2 .

It is a cyclic number.

It is not a de Polignac number, because 23212454400181 - 2²⁵ = 23212420845749 is a prime.

It is a super-2 number, since 2×23212454400181² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23212454400181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23242454400181) 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, 11606227200090 + 11606227200091.

It is an arithmetic number, because the mean of its divisors is an integer number (11606227200091).

Almost surely, 2^{23212454400181} is an apocalyptic number.

It is an amenable number.

23212454400181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212454400181 is an equidigital number, since it uses as much as digits as its factorization.

23212454400181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 23212454400181 in words is "twenty-three trillion, two hundred twelve billion, four hundred fifty-four million, four hundred thousand, one hundred eighty-one".