181030223023241 has 4 divisors (see below), whose sum is σ = 185240228209872. Its totient is φ = 176820217836612.

The previous prime is 181030223023189. The next prime is 181030223023261. The reversal of 181030223023241 is 142320322030181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 181030223023241 - 2¹⁰ = 181030223022217 is a prime.

It is a super-2 number, since 2×181030223023241² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 181030223023198 and 181030223023207.

It is not an unprimeable number, because it can be changed into a prime (181030223023261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105002593251 + ... + 2105002593336.

It is an arithmetic number, because the mean of its divisors is an integer number (46310057052468).

Almost surely, 2^{181030223023241} is an apocalyptic number.

It is an amenable number.

181030223023241 is a deficient number, since it is larger than the sum of its proper divisors (4210005186631).

181030223023241 is an equidigital number, since it uses as much as digits as its factorization.

181030223023241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210005186630.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 181030223023241 in words is "one hundred eighty-one trillion, thirty billion, two hundred twenty-three million, twenty-three thousand, two hundred forty-one".