85003423120 has 320 divisors, whose sum is σ = 262268928000. Its totient is φ = 24804679680.

The previous prime is 85003423097. The next prime is 85003423157. The reversal of 85003423120 is 2132430058.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20837241 + ... + 20841319.

It is an arithmetic number, because the mean of its divisors is an integer number (819590400).

Almost surely, 2^85003423120 is an apocalyptic number.

85003423120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85003423120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131134464000).

85003423120 is an abundant number, since it is smaller than the sum of its proper divisors (177265504880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85003423120 is a wasteful number, since it uses less digits than its factorization.

85003423120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 85003423120 its reverse (2132430058), we get a palindrome (87135853178).

The spelling of 85003423120 in words is "eighty-five billion, three million, four hundred twenty-three thousand, one hundred twenty".