140431304143023 has 4 divisors (see below), whose sum is σ = 187241738857368. Its totient is φ = 93620869428680.

The previous prime is 140431304143019. The next prime is 140431304143043. The reversal of 140431304143023 is 320341403134041.

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 140431304143023 - 2² = 140431304143019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140431304143043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23405217357168 + ... + 23405217357173.

It is an arithmetic number, because the mean of its divisors is an integer number (46810434714342).

Almost surely, 2^{140431304143023} is an apocalyptic number.

140431304143023 is a deficient number, since it is larger than the sum of its proper divisors (46810434714345).

140431304143023 is an equidigital number, since it uses as much as digits as its factorization.

140431304143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810434714344.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 140431304143023 its reverse (320341403134041), we get a palindrome (460772707277064).

The spelling of 140431304143023 in words is "one hundred forty trillion, four hundred thirty-one billion, three hundred four million, one hundred forty-three thousand, twenty-three".