85312123 has 8 divisors (see below), whose sum is σ = 92599808. Its totient is φ = 78128064.

The previous prime is 85312111. The next prime is 85312127. The reversal of 85312123 is 32121358.

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

It is a cyclic number.

It is not a de Polignac number, because 85312123 - 2¹⁷ = 85181051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85312127) 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, 24186 + ... + 27487.

It is an arithmetic number, because the mean of its divisors is an integer number (11574976).

Almost surely, 2^85312123 is an apocalyptic number.

85312123 is a deficient number, since it is larger than the sum of its proper divisors (7287685).

85312123 is a wasteful number, since it uses less digits than its factorization.

85312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51813.

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

The square root of 85312123 is about 9236.4561927181. The cubic root of 85312123 is about 440.2204869459.

The spelling of 85312123 in words is "eighty-five million, three hundred twelve thousand, one hundred twenty-three".