7043140423 has 4 divisors (see below), whose sum is σ = 7683425928. Its totient is φ = 6402854920.

The previous prime is 7043140411. The next prime is 7043140441. The reversal of 7043140423 is 3240413407.

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

It is not a de Polignac number, because 7043140423 - 2⁹ = 7043139911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7043140391 and 7043140400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7043140493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320142736 + ... + 320142757.

It is an arithmetic number, because the mean of its divisors is an integer number (1920856482).

Almost surely, 2^7043140423 is an apocalyptic number.

7043140423 is a deficient number, since it is larger than the sum of its proper divisors (640285505).

7043140423 is a wasteful number, since it uses less digits than its factorization.

7043140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640285504.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 7043140423 is about 83923.4199910847. The cubic root of 7043140423 is about 1916.8528831331.

The spelling of 7043140423 in words is "seven billion, forty-three million, one hundred forty thousand, four hundred twenty-three".