140242244223 has 4 divisors (see below), whose sum is σ = 186989658968. Its totient is φ = 93494829480.

The previous prime is 140242244201. The next prime is 140242244227. The reversal of 140242244223 is 322442242041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140242244223 - 2⁶ = 140242244159 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 (140242244227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23373707368 + ... + 23373707373.

It is an arithmetic number, because the mean of its divisors is an integer number (46747414742).

Almost surely, 2^140242244223 is an apocalyptic number.

140242244223 is a deficient number, since it is larger than the sum of its proper divisors (46747414745).

140242244223 is an equidigital number, since it uses as much as digits as its factorization.

140242244223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46747414744.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 140242244223 its reverse (322442242041), we get a palindrome (462684486264).

The spelling of 140242244223 in words is "one hundred forty billion, two hundred forty-two million, two hundred forty-four thousand, two hundred twenty-three".