89239623 has 16 divisors (see below), whose sum is σ = 130588416. Its totient is φ = 53757440.

The previous prime is 89239571. The next prime is 89239639. The reversal of 89239623 is 32693298.

It is not a de Polignac number, because 89239623 - 2⁶ = 89239559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89239673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (8161776).

Almost surely, 2^89239623 is an apocalyptic number.

89239623 is a deficient number, since it is larger than the sum of its proper divisors (41348793).

89239623 is a wasteful number, since it uses less digits than its factorization.

89239623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16374.

The product of its digits is 139968, while the sum is 42.

The square root of 89239623 is about 9446.6725888008. The cubic root of 89239623 is about 446.8748454724.

The spelling of 89239623 in words is "eighty-nine million, two hundred thirty-nine thousand, six hundred twenty-three".