190445765223 has 8 divisors (see below), whose sum is σ = 290203070848. Its totient is φ = 108826151544.

The previous prime is 190445765221. The next prime is 190445765243. The reversal of 190445765223 is 322567544091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190445765223 - 2¹ = 190445765221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190445765221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4534422961 + ... + 4534423002.

It is an arithmetic number, because the mean of its divisors is an integer number (36275383856).

Almost surely, 2^190445765223 is an apocalyptic number.

190445765223 is a deficient number, since it is larger than the sum of its proper divisors (99757305625).

190445765223 is an equidigital number, since it uses as much as digits as its factorization.

190445765223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068845973.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 190445765223 in words is "one hundred ninety billion, four hundred forty-five million, seven hundred sixty-five thousand, two hundred twenty-three".