140234401423 has 4 divisors (see below), whose sum is σ = 140321559280. Its totient is φ = 140147243568.

The previous prime is 140234401421. The next prime is 140234401453. The reversal of 140234401423 is 324104432041.

140234401423 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 a cyclic number.

It is not a de Polignac number, because 140234401423 - 2¹ = 140234401421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140234401391 and 140234401400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140234401421) 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, 43576515 + ... + 43579732.

It is an arithmetic number, because the mean of its divisors is an integer number (35080389820).

Almost surely, 2^140234401423 is an apocalyptic number.

140234401423 is a deficient number, since it is larger than the sum of its proper divisors (87157857).

140234401423 is an equidigital number, since it uses as much as digits as its factorization.

140234401423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87157856.

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

Adding to 140234401423 its reverse (324104432041), we get a palindrome (464338833464).

The spelling of 140234401423 in words is "one hundred forty billion, two hundred thirty-four million, four hundred one thousand, four hundred twenty-three".