43379143 has 2 divisors, whose sum is σ = 43379144. Its totient is φ = 43379142.

The previous prime is 43379123. The next prime is 43379179. The reversal of 43379143 is 34197334.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43379143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43379099 and 43379108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43379123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21689571 + 21689572.

It is an arithmetic number, because the mean of its divisors is an integer number (21689572).

Almost surely, 2^43379143 is an apocalyptic number.

43379143 is a deficient number, since it is larger than the sum of its proper divisors (1).

43379143 is an equidigital number, since it uses as much as digits as its factorization.

43379143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 43379143 is about 6586.2844609081. The cubic root of 43379143 is about 351.3664757272.

The spelling of 43379143 in words is "forty-three million, three hundred seventy-nine thousand, one hundred forty-three".