43073423 has 2 divisors, whose sum is σ = 43073424. Its totient is φ = 43073422.

The previous prime is 43073389. The next prime is 43073483. The reversal of 43073423 is 32437034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43073423 - 2²⁰ = 42024847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43073392 and 43073401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43073483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21536711 + 21536712.

It is an arithmetic number, because the mean of its divisors is an integer number (21536712).

Almost surely, 2^43073423 is an apocalyptic number.

43073423 is a deficient number, since it is larger than the sum of its proper divisors (1).

43073423 is an equidigital number, since it uses as much as digits as its factorization.

43073423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 43073423 is about 6563.0345877498. The cubic root of 43073423 is about 350.5390957494.

The spelling of 43073423 in words is "forty-three million, seventy-three thousand, four hundred twenty-three".