140043323 has 12 divisors (see below), whose sum is σ = 164158632. Its totient is φ = 119115360.

The previous prime is 140043317. The next prime is 140043329. The reversal of 140043323 is 323340041.

It is an interprime number because it is at equal distance from previous prime (140043317) and next prime (140043329).

It is not a de Polignac number, because 140043323 - 2⁶ = 140043259 is a prime.

It is a super-2 number, since 2×140043323² = 39224264633764658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140043295 and 140043304.

It is not an unprimeable number, because it can be changed into a prime (140043329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4490 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (13679886).

Almost surely, 2^140043323 is an apocalyptic number.

140043323 is a deficient number, since it is larger than the sum of its proper divisors (24115309).

140043323 is a wasteful number, since it uses less digits than its factorization.

140043323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21962 (or 21955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 140043323 is about 11833.9901554801. The cubic root of 140043323 is about 519.3029652379.

Adding to 140043323 its reverse (323340041), we get a palindrome (463383364).

The spelling of 140043323 in words is "one hundred forty million, forty-three thousand, three hundred twenty-three".