85243343 has 2 divisors, whose sum is σ = 85243344. Its totient is φ = 85243342.

The previous prime is 85243337. The next prime is 85243373. The reversal of 85243343 is 34334258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85243343 - 2²⁰ = 84194767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85243303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42621671 + 42621672.

It is an arithmetic number, because the mean of its divisors is an integer number (42621672).

Almost surely, 2^85243343 is an apocalyptic number.

85243343 is a deficient number, since it is larger than the sum of its proper divisors (1).

85243343 is an equidigital number, since it uses as much as digits as its factorization.

85243343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 32.

The square root of 85243343 is about 9232.7321525104. The cubic root of 85243343 is about 440.1021508695.

The spelling of 85243343 in words is "eighty-five million, two hundred forty-three thousand, three hundred forty-three".