140105520223 has 4 divisors (see below), whose sum is σ = 140106387960. Its totient is φ = 140104652488.

The previous prime is 140105520221. The next prime is 140105520239. The reversal of 140105520223 is 322025501041.

140105520223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 322025501041 = 192037 ⋅1676893.

It is a cyclic number.

It is not a de Polignac number, because 140105520223 - 2¹ = 140105520221 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 (140105520221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112165 + ... + 541102.

It is an arithmetic number, because the mean of its divisors is an integer number (35026596990).

Almost surely, 2^140105520223 is an apocalyptic number.

140105520223 is a deficient number, since it is larger than the sum of its proper divisors (867737).

140105520223 is an equidigital number, since it uses as much as digits as its factorization.

140105520223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867736.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 140105520223 in words is "one hundred forty billion, one hundred five million, five hundred twenty thousand, two hundred twenty-three".