140143440323 has 8 divisors (see below), whose sum is σ = 140226886800. Its totient is φ = 140060026080.

The previous prime is 140143440251. The next prime is 140143440329. The reversal of 140143440323 is 323044341041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140143440323 - 2²⁰ = 140142391747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140143440329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18906488 + ... + 18913898.

It is an arithmetic number, because the mean of its divisors is an integer number (17528360850).

Almost surely, 2^140143440323 is an apocalyptic number.

140143440323 is a deficient number, since it is larger than the sum of its proper divisors (83446477).

140143440323 is an equidigital number, since it uses as much as digits as its factorization.

140143440323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16117.

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

Adding to 140143440323 its reverse (323044341041), we get a palindrome (463187781364).

The spelling of 140143440323 in words is "one hundred forty billion, one hundred forty-three million, four hundred forty thousand, three hundred twenty-three".