140234000231423 has 4 divisors (see below), whose sum is σ = 160267428835920. Its totient is φ = 120200571626928.

The previous prime is 140234000231417. The next prime is 140234000231459. The reversal of 140234000231423 is 324132000432041.

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 140234000231423 - 2¹² = 140234000227327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140234000231323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10016714302238 + ... + 10016714302251.

It is an arithmetic number, because the mean of its divisors is an integer number (40066857208980).

Almost surely, 2^{140234000231423} is an apocalyptic number.

140234000231423 is a deficient number, since it is larger than the sum of its proper divisors (20033428604497).

140234000231423 is an equidigital number, since it uses as much as digits as its factorization.

140234000231423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20033428604496.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 140234000231423 its reverse (324132000432041), we get a palindrome (464366000663464).

The spelling of 140234000231423 in words is "one hundred forty trillion, two hundred thirty-four billion, two hundred thirty-one thousand, four hundred twenty-three".