85243812303 has 32 divisors (see below), whose sum is σ = 132325849600. Its totient is φ = 48353625216.

The previous prime is 85243812299. The next prime is 85243812319. The reversal of 85243812303 is 30321834258.

It is not a de Polignac number, because 85243812303 - 2² = 85243812299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85243812103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1527163 + ... + 1581996.

It is an arithmetic number, because the mean of its divisors is an integer number (4135182800).

Almost surely, 2^85243812303 is an apocalyptic number.

85243812303 is a deficient number, since it is larger than the sum of its proper divisors (47082037297).

85243812303 is a wasteful number, since it uses less digits than its factorization.

85243812303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109231.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 85243812303 in words is "eighty-five billion, two hundred forty-three million, eight hundred twelve thousand, three hundred three".