89810423 has 4 divisors (see below), whose sum is σ = 93715248. Its totient is φ = 85905600.

The previous prime is 89810417. The next prime is 89810471. The reversal of 89810423 is 32401898.

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 89810423 - 2¹⁰ = 89809399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89810023) 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 in 3 ways as a sum of consecutive naturals, for example, 1952378 + ... + 1952423.

It is an arithmetic number, because the mean of its divisors is an integer number (23428812).

Almost surely, 2^89810423 is an apocalyptic number.

89810423 is a deficient number, since it is larger than the sum of its proper divisors (3904825).

89810423 is a wasteful number, since it uses less digits than its factorization.

89810423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904824.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 89810423 is about 9476.8361281601. The cubic root of 89810423 is about 447.8255974401.

The spelling of 89810423 in words is "eighty-nine million, eight hundred ten thousand, four hundred twenty-three".