85519023 has 8 divisors (see below), whose sum is σ = 115154736. Its totient is φ = 56448000.

The previous prime is 85519009. The next prime is 85519039. The reversal of 85519023 is 32091558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85519023 - 2²⁶ = 18410159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85519073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140818 + ... + 141423.

It is an arithmetic number, because the mean of its divisors is an integer number (14394342).

Almost surely, 2^85519023 is an apocalyptic number.

85519023 is a deficient number, since it is larger than the sum of its proper divisors (29635713).

85519023 is a wasteful number, since it uses less digits than its factorization.

85519023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282345.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 85519023 is about 9247.6495932750. The cubic root of 85519023 is about 440.5760756705.

The spelling of 85519023 in words is "eighty-five million, five hundred nineteen thousand, twenty-three".