140023423727 has 4 divisors (see below), whose sum is σ = 152752825896. Its totient is φ = 127294021560.

The previous prime is 140023423721. The next prime is 140023423733. The reversal of 140023423727 is 727324320041.

140023423727 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.

It is an interprime number because it is at equal distance from previous prime (140023423721) and next prime (140023423733).

It is a cyclic number.

It is not a de Polignac number, because 140023423727 - 2⁸ = 140023423471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140023423721) 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, 6364701068 + ... + 6364701089.

It is an arithmetic number, because the mean of its divisors is an integer number (38188206474).

Almost surely, 2^140023423727 is an apocalyptic number.

140023423727 is a deficient number, since it is larger than the sum of its proper divisors (12729402169).

140023423727 is a wasteful number, since it uses less digits than its factorization.

140023423727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729402168.

The product of its (nonzero) digits is 56448, while the sum is 35.

Adding to 140023423727 its reverse (727324320041), we get a palindrome (867347743768).

The spelling of 140023423727 in words is "one hundred forty billion, twenty-three million, four hundred twenty-three thousand, seven hundred twenty-seven".