23089536 has 160 divisors (see below), whose sum is σ = 73311480. Its totient is φ = 7188480.

The previous prime is 23089531. The next prime is 23089543. The reversal of 23089536 is 63598032.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23089536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 176191 + ... + 176321.

Almost surely, 2^23089536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23089536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36655740).

23089536 is an abundant number, since it is smaller than the sum of its proper divisors (50221944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23089536 is a wasteful number, since it uses less digits than its factorization.

23089536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 23089536 is about 4805.1572294775. The cubic root of 23089536 is about 284.7552469342.

The spelling of 23089536 in words is "twenty-three million, eighty-nine thousand, five hundred thirty-six".