23036505 has 8 divisors (see below), whose sum is σ = 36858432. Its totient is φ = 12286128.

The previous prime is 23036473. The next prime is 23036509. The reversal of 23036505 is 50563032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23036505 - 2⁵ = 23036473 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23036509) 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 7 ways as a sum of consecutive naturals, for example, 767869 + ... + 767898.

It is an arithmetic number, because the mean of its divisors is an integer number (4607304).

Almost surely, 2^23036505 is an apocalyptic number.

It is an amenable number.

23036505 is a deficient number, since it is larger than the sum of its proper divisors (13821927).

23036505 is a wasteful number, since it uses less digits than its factorization.

23036505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535775.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 23036505 is about 4799.6359236925. The cubic root of 23036505 is about 284.5370755042.

Adding to 23036505 its reverse (50563032), we get a palindrome (73599537).

The spelling of 23036505 in words is "twenty-three million, thirty-six thousand, five hundred five".