140442322323 has 4 divisors (see below), whose sum is σ = 187256429768. Its totient is φ = 93628214880.

The previous prime is 140442322303. The next prime is 140442322327. The reversal of 140442322323 is 323223244041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140442322323 - 2¹⁷ = 140442191251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140442322327) 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, 23407053718 + ... + 23407053723.

It is an arithmetic number, because the mean of its divisors is an integer number (46814107442).

Almost surely, 2^140442322323 is an apocalyptic number.

140442322323 is a deficient number, since it is larger than the sum of its proper divisors (46814107445).

140442322323 is an equidigital number, since it uses as much as digits as its factorization.

140442322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46814107444.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 140442322323 its reverse (323223244041), we get a palindrome (463665566364).

The spelling of 140442322323 in words is "one hundred forty billion, four hundred forty-two million, three hundred twenty-two thousand, three hundred twenty-three".