23236573 has 4 divisors (see below), whose sum is σ = 23264668. Its totient is φ = 23208480.

The previous prime is 23236561. The next prime is 23236579. The reversal of 23236573 is 37563232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13860729 + 9375844 = 3723^2 + 3062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23236573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23236579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12768 + ... + 14473.

It is an arithmetic number, because the mean of its divisors is an integer number (5816167).

Almost surely, 2^23236573 is an apocalyptic number.

It is an amenable number.

23236573 is a deficient number, since it is larger than the sum of its proper divisors (28095).

23236573 is an equidigital number, since it uses as much as digits as its factorization.

23236573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28094.

The product of its digits is 22680, while the sum is 31.

The square root of 23236573 is about 4820.4328643805. The cubic root of 23236573 is about 285.3584205034.

The spelling of 23236573 in words is "twenty-three million, two hundred thirty-six thousand, five hundred seventy-three".