85123006 has 4 divisors (see below), whose sum is σ = 127684512. Its totient is φ = 42561502.

The previous prime is 85122991. The next prime is 85123007. The reversal of 85123006 is 60032158.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85123007) by changing a digit.

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 as a sum of consecutive naturals, namely, 21280750 + ... + 21280753.

It is an arithmetic number, because the mean of its divisors is an integer number (31921128).

Almost surely, 2^85123006 is an apocalyptic number.

85123006 is a deficient number, since it is larger than the sum of its proper divisors (42561506).

85123006 is a wasteful number, since it uses less digits than its factorization.

85123006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42561505.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 85123006 is about 9226.2129825839. The cubic root of 85123006 is about 439.8949577074.

The spelling of 85123006 in words is "eighty-five million, one hundred twenty-three thousand, six".