85719023 has 16 divisors (see below), whose sum is σ = 94832640. Its totient is φ = 76986336.

The previous prime is 85719001. The next prime is 85719043. The reversal of 85719023 is 32091758.

It is a cyclic number.

It is not a de Polignac number, because 85719023 - 2⁸ = 85718767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85719043) 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, 145736 + ... + 146322.

It is an arithmetic number, because the mean of its divisors is an integer number (5927040).

Almost surely, 2^85719023 is an apocalyptic number.

85719023 is a deficient number, since it is larger than the sum of its proper divisors (9113617).

85719023 is a wasteful number, since it uses less digits than its factorization.

85719023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 85719023 is about 9258.4568368600. The cubic root of 85719023 is about 440.9192609666.

The spelling of 85719023 in words is "eighty-five million, seven hundred nineteen thousand, twenty-three".