43234039 has 2 divisors, whose sum is σ = 43234040. Its totient is φ = 43234038.

The previous prime is 43234021. The next prime is 43234069. The reversal of 43234039 is 93043234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43234039 - 2⁵ = 43234007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43233998 and 43234016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43234069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21617019 + 21617020.

It is an arithmetic number, because the mean of its divisors is an integer number (21617020).

Almost surely, 2^43234039 is an apocalyptic number.

43234039 is a deficient number, since it is larger than the sum of its proper divisors (1).

43234039 is an equidigital number, since it uses as much as digits as its factorization.

43234039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 43234039 is about 6575.2596146464. The cubic root of 43234039 is about 350.9742623910.

The spelling of 43234039 in words is "forty-three million, two hundred thirty-four thousand, thirty-nine".