181030223023242 has 32 divisors (see below), whose sum is σ = 383364086112000. Its totient is φ = 56792911492608.

The previous prime is 181030223023189. The next prime is 181030223023261. The reversal of 181030223023242 is 242320322030181.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7211067 + ... + 20348462.

It is an arithmetic number, because the mean of its divisors is an integer number (11980127691000).

Almost surely, 2^{181030223023242} is an apocalyptic number.

181030223023242 is an abundant number, since it is smaller than the sum of its proper divisors (202333863088758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

181030223023242 is a wasteful number, since it uses less digits than its factorization.

181030223023242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27623950.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 181030223023242 in words is "one hundred eighty-one trillion, thirty billion, two hundred twenty-three million, twenty-three thousand, two hundred forty-two".