232254040020181 has 2 divisors, whose sum is σ = 232254040020182. Its totient is φ = 232254040020180.

The previous prime is 232254040020169. The next prime is 232254040020263. The reversal of 232254040020181 is 181020040452232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181143765789156 + 51110274231025 = 13458966^2 + 7149145^2 .

It is a cyclic number.

It is not a de Polignac number, because 232254040020181 - 2¹⁵ = 232254039987413 is a prime.

It is a super-2 number, since 2×232254040020181² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232254040020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116127020010090 + 116127020010091.

It is an arithmetic number, because the mean of its divisors is an integer number (116127020010091).

Almost surely, 2^{232254040020181} is an apocalyptic number.

It is an amenable number.

232254040020181 is a deficient number, since it is larger than the sum of its proper divisors (1).

232254040020181 is an equidigital number, since it uses as much as digits as its factorization.

232254040020181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 232254040020181 in words is "two hundred thirty-two trillion, two hundred fifty-four billion, forty million, twenty thousand, one hundred eighty-one".