181320222212323 has 16 divisors (see below), whose sum is σ = 190951801528320. Its totient is φ = 171946173772800.

The previous prime is 181320222212317. The next prime is 181320222212329. The reversal of 181320222212323 is 323212222023181.

It is an interprime number because it is at equal distance from previous prime (181320222212317) and next prime (181320222212329).

It is a cyclic number.

It is not a de Polignac number, because 181320222212323 - 2⁹ = 181320222211811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181320222212329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57699043 + ... + 60760348.

It is an arithmetic number, because the mean of its divisors is an integer number (11934487595520).

Almost surely, 2^{181320222212323} is an apocalyptic number.

181320222212323 is a deficient number, since it is larger than the sum of its proper divisors (9631579315997).

181320222212323 is a wasteful number, since it uses less digits than its factorization.

181320222212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118460478.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 181320222212323 in words is "one hundred eighty-one trillion, three hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, three hundred twenty-three".