23066565 has 8 divisors (see below), whose sum is σ = 36906528. Its totient is φ = 12302160.

The previous prime is 23066557. The next prime is 23066587. The reversal of 23066565 is 56566032.

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

It is not a de Polignac number, because 23066565 - 2³ = 23066557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768871 + ... + 768900.

It is an arithmetic number, because the mean of its divisors is an integer number (4613316).

Almost surely, 2^23066565 is an apocalyptic number.

It is an amenable number.

23066565 is a deficient number, since it is larger than the sum of its proper divisors (13839963).

23066565 is a wasteful number, since it uses less digits than its factorization.

23066565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537779.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 23066565 is about 4802.7663903213. The cubic root of 23066565 is about 284.6607844736.

It can be divided in two parts, 230 and 66565, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 23066565 in words is "twenty-three million, sixty-six thousand, five hundred sixty-five".