140311423 has 8 divisors (see below), whose sum is σ = 160645248. Its totient is φ = 120049944.

The previous prime is 140311399. The next prime is 140311429. The reversal of 140311423 is 324113041.

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

It is a de Polignac number, because none of the positive numbers 2^k-140311423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140311423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140311429) 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 7 ways as a sum of consecutive naturals, for example, 13861 + ... + 21742.

It is an arithmetic number, because the mean of its divisors is an integer number (20080656).

Almost surely, 2^140311423 is an apocalyptic number.

140311423 is a deficient number, since it is larger than the sum of its proper divisors (20333825).

140311423 is an equidigital number, since it uses as much as digits as its factorization.

140311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36173.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140311423 is about 11845.3122795476. The cubic root of 140311423 is about 519.6341398388.

Adding to 140311423 its reverse (324113041), we get a palindrome (464424464).

The spelling of 140311423 in words is "one hundred forty million, three hundred eleven thousand, four hundred twenty-three".