85106423 has 4 divisors (see below), whose sum is σ = 85140528. Its totient is φ = 85072320.

The previous prime is 85106363. The next prime is 85106429. The reversal of 85106423 is 32460158.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32460158 = 2 ⋅16230079.

It is a cyclic number.

It is not a de Polignac number, because 85106423 - 2¹⁰ = 85105399 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 (85106429) 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, 12986 + ... + 18407.

It is an arithmetic number, because the mean of its divisors is an integer number (21285132).

Almost surely, 2^85106423 is an apocalyptic number.

85106423 is a deficient number, since it is larger than the sum of its proper divisors (34105).

85106423 is a wasteful number, since it uses less digits than its factorization.

85106423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34104.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 85106423 is about 9225.3142493901. The cubic root of 85106423 is about 439.8663902175.

The spelling of 85106423 in words is "eighty-five million, one hundred six thousand, four hundred twenty-three".