43234493 has 2 divisors, whose sum is σ = 43234494. Its totient is φ = 43234492.

The previous prime is 43234441. The next prime is 43234507. The reversal of 43234493 is 39443234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39400729 + 3833764 = 6277^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 43234493 - 2⁸ = 43234237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43234403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21617246 + 21617247.

It is an arithmetic number, because the mean of its divisors is an integer number (21617247).

Almost surely, 2^43234493 is an apocalyptic number.

It is an amenable number.

43234493 is a deficient number, since it is larger than the sum of its proper divisors (1).

43234493 is an equidigital number, since it uses as much as digits as its factorization.

43234493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 32.

The square root of 43234493 is about 6575.2941379074. The cubic root of 43234493 is about 350.9754909118.

The spelling of 43234493 in words is "forty-three million, two hundred thirty-four thousand, four hundred ninety-three".