9885808423 has 4 divisors (see below), whose sum is σ = 9886707688. Its totient is φ = 9884909160.

The previous prime is 9885808417. The next prime is 9885808477. The reversal of 9885808423 is 3248085889.

It is a happy number.

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 9885808423 - 2²⁵ = 9852253991 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 (9885808483) 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, 432936 + ... + 455197.

It is an arithmetic number, because the mean of its divisors is an integer number (2471676922).

Almost surely, 2^9885808423 is an apocalyptic number.

9885808423 is a deficient number, since it is larger than the sum of its proper divisors (899265).

9885808423 is a wasteful number, since it uses less digits than its factorization.

9885808423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899264.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The square root of 9885808423 is about 99427.4027771016. The cubic root of 9885808423 is about 2146.2026659742.

The spelling of 9885808423 in words is "nine billion, eight hundred eighty-five million, eight hundred eight thousand, four hundred twenty-three".