85481123 has 16 divisors (see below), whose sum is σ = 106202880. Its totient is φ = 66993696.

The previous prime is 85481113. The next prime is 85481141. The reversal of 85481123 is 32118458.

It is not a de Polignac number, because 85481123 - 2⁴ = 85481107 is a prime.

It is a super-2 number, since 2×85481123² = 14614044778682258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85481123.

It is not an unprimeable number, because it can be changed into a prime (85481113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5348 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (6637680).

Almost surely, 2^85481123 is an apocalyptic number.

85481123 is a deficient number, since it is larger than the sum of its proper divisors (20721757).

85481123 is a wasteful number, since it uses less digits than its factorization.

85481123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906.

The product of its digits is 7680, while the sum is 32.

The square root of 85481123 is about 9245.6001968504. The cubic root of 85481123 is about 440.5109817690.

The spelling of 85481123 in words is "eighty-five million, four hundred eighty-one thousand, one hundred twenty-three".