140423122243 has 16 divisors (see below), whose sum is σ = 148027553856. Its totient is φ = 132944486400.

The previous prime is 140423122199. The next prime is 140423122267. The reversal of 140423122243 is 342221324041.

140423122243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140423122243 - 2⁹ = 140423121731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140423122643) 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 15 ways as a sum of consecutive naturals, for example, 8803171 + ... + 8819107.

It is an arithmetic number, because the mean of its divisors is an integer number (9251722116).

Almost surely, 2^140423122243 is an apocalyptic number.

140423122243 is a deficient number, since it is larger than the sum of its proper divisors (7604431613).

140423122243 is a wasteful number, since it uses less digits than its factorization.

140423122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19854.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140423122243 its reverse (342221324041), we get a palindrome (482644446284).

The spelling of 140423122243 in words is "one hundred forty billion, four hundred twenty-three million, one hundred twenty-two thousand, two hundred forty-three".