23485565 has 8 divisors (see below), whose sum is σ = 28944600. Its totient is φ = 18280512.

The previous prime is 23485559. The next prime is 23485589. The reversal of 23485565 is 56558432.

It can be written as a sum of positive squares in 4 ways, for example, as 2353156 + 21132409 = 1534^2 + 4597^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23485565 - 2¹⁴ = 23469181 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, 63290 + ... + 63659.

It is an arithmetic number, because the mean of its divisors is an integer number (3618075).

Almost surely, 2^23485565 is an apocalyptic number.

It is an amenable number.

23485565 is a deficient number, since it is larger than the sum of its proper divisors (5459035).

23485565 is a wasteful number, since it uses less digits than its factorization.

23485565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126991.

The product of its digits is 144000, while the sum is 38.

The square root of 23485565 is about 4846.1907721426. The cubic root of 23485565 is about 286.3740561804.

It can be divided in two parts, 234855 and 65, that multiplied together give a triangular number (15265575 = T₅₅₂₅).

The spelling of 23485565 in words is "twenty-three million, four hundred eighty-five thousand, five hundred sixty-five".