140430023323 has 4 divisors (see below), whose sum is σ = 140873020560. Its totient is φ = 139987026088.

The previous prime is 140430023191. The next prime is 140430023329. The reversal of 140430023323 is 323320034041.

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 140430023323 - 2²⁹ = 139893152411 is a prime.

It is a super-4 number, since 4×140430023323⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140430023329) 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, 221498143 + ... + 221498776.

It is an arithmetic number, because the mean of its divisors is an integer number (35218255140).

Almost surely, 2^140430023323 is an apocalyptic number.

140430023323 is a deficient number, since it is larger than the sum of its proper divisors (442997237).

140430023323 is an equidigital number, since it uses as much as digits as its factorization.

140430023323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442997236.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 140430023323 its reverse (323320034041), we get a palindrome (463750057364).

The spelling of 140430023323 in words is "one hundred forty billion, four hundred thirty million, twenty-three thousand, three hundred twenty-three".