89287423 has 4 divisors (see below), whose sum is σ = 89340280. Its totient is φ = 89234568.

The previous prime is 89287411. The next prime is 89287439. The reversal of 89287423 is 32478298.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32478298 = 2 ⋅16239149.

It is a cyclic number.

It is not a de Polignac number, because 89287423 - 2⁵ = 89287391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89287423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89282423) 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, 23808 + ... + 27301.

It is an arithmetic number, because the mean of its divisors is an integer number (22335070).

Almost surely, 2^89287423 is an apocalyptic number.

89287423 is a deficient number, since it is larger than the sum of its proper divisors (52857).

89287423 is a wasteful number, since it uses less digits than its factorization.

89287423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52856.

The product of its digits is 193536, while the sum is 43.

The square root of 89287423 is about 9449.2022414593. The cubic root of 89287423 is about 446.9546187248.

It can be divided in two parts, 892 and 87423, that multiplied together give a triangular number (77981316 = T₁₂₄₈₈).

The spelling of 89287423 in words is "eighty-nine million, two hundred eighty-seven thousand, four hundred twenty-three".