85125623 has 4 divisors (see below), whose sum is σ = 92864328. Its totient is φ = 77386920.

The previous prime is 85125619. The next prime is 85125631. The reversal of 85125623 is 32652158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85125623 - 2² = 85125619 is a prime.

It is a super-2 number, since 2×85125623² = 14492743382276258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85125623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85125653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869336 + ... + 3869357.

It is an arithmetic number, because the mean of its divisors is an integer number (23216082).

Almost surely, 2^85125623 is an apocalyptic number.

85125623 is a deficient number, since it is larger than the sum of its proper divisors (7738705).

85125623 is a wasteful number, since it uses less digits than its factorization.

85125623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738704.

The product of its digits is 14400, while the sum is 32.

The square root of 85125623 is about 9226.3548056640. The cubic root of 85125623 is about 439.8994656673.

The spelling of 85125623 in words is "eighty-five million, one hundred twenty-five thousand, six hundred twenty-three".