89173023 has 16 divisors (see below), whose sum is σ = 125892480. Its totient is φ = 55988064.

The previous prime is 89172983. The next prime is 89173079. The reversal of 89173023 is 32037198.

It is not a de Polignac number, because 89173023 - 2²¹ = 87075871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89173423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5340 + ... + 14382.

It is an arithmetic number, because the mean of its divisors is an integer number (7868280).

Almost surely, 2^89173023 is an apocalyptic number.

89173023 is a deficient number, since it is larger than the sum of its proper divisors (36719457).

89173023 is a wasteful number, since it uses less digits than its factorization.

89173023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 89173023 is about 9443.1468801454. The cubic root of 89173023 is about 446.7636494566.

The spelling of 89173023 in words is "eighty-nine million, one hundred seventy-three thousand, twenty-three".