140440330320423 has 8 divisors (see below), whose sum is σ = 214004312869248. Its totient is φ = 80251617325944.

The previous prime is 140440330320397. The next prime is 140440330320439. The reversal of 140440330320423 is 324023033044041.

It is a happy number.

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

It is not a de Polignac number, because 140440330320423 - 2³² = 140436035353127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440330320473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3343817388561 + ... + 3343817388602.

It is an arithmetic number, because the mean of its divisors is an integer number (26750539108656).

Almost surely, 2^{140440330320423} is an apocalyptic number.

140440330320423 is a deficient number, since it is larger than the sum of its proper divisors (73563982548825).

140440330320423 is an equidigital number, since it uses as much as digits as its factorization.

140440330320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687634777173.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 140440330320423 its reverse (324023033044041), we get a palindrome (464463363364464).

The spelling of 140440330320423 in words is "one hundred forty trillion, four hundred forty billion, three hundred thirty million, three hundred twenty thousand, four hundred twenty-three".