85500423 has 6 divisors (see below), whose sum is σ = 123500624. Its totient is φ = 57000276.

The previous prime is 85500413. The next prime is 85500427. The reversal of 85500423 is 32400558.

It is not a de Polignac number, because 85500423 - 2¹⁴ = 85484039 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 (85500427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4750015 + ... + 4750032.

Almost surely, 2^85500423 is an apocalyptic number.

85500423 is a deficient number, since it is larger than the sum of its proper divisors (38000201).

85500423 is a wasteful number, since it uses less digits than its factorization.

85500423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500053 (or 9500050 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 85500423 is about 9246.6438776456. The cubic root of 85500423 is about 440.5441322545.

The spelling of 85500423 in words is "eighty-five million, five hundred thousand, four hundred twenty-three".