89623 has 8 divisors (see below), whose sum is σ = 97200. Its totient is φ = 82368.

The previous prime is 89611. The next prime is 89627. The reversal of 89623 is 32698.

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 89623 - 2⁵ = 89591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89591 and 89600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89627) 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, 963 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (12150).

2⁸⁹⁶²³ is an apocalyptic number.

89623 is a deficient number, since it is larger than the sum of its proper divisors (7577).

89623 is a wasteful number, since it uses less digits than its factorization.

89623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its digits is 2592, while the sum is 28.

The square root of 89623 is about 299.3710072803. The cubic root of 89623 is about 44.7513862018.

It can be divided in two parts, 896 and 23, that added together give a palindrome (919).

The spelling of 89623 in words is "eighty-nine thousand, six hundred twenty-three".