23874565 has 16 divisors (see below), whose sum is σ = 33659136. Its totient is φ = 16027200.

The previous prime is 23874559. The next prime is 23874581. The reversal of 23874565 is 56547832.

It is not a de Polignac number, because 23874565 - 2⁵ = 23874533 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15981 + ... + 17410.

It is an arithmetic number, because the mean of its divisors is an integer number (2103696).

Almost surely, 2^23874565 is an apocalyptic number.

It is an amenable number.

23874565 is a deficient number, since it is larger than the sum of its proper divisors (9784571).

23874565 is a wasteful number, since it uses less digits than its factorization.

23874565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33420.

The product of its digits is 201600, while the sum is 40.

The square root of 23874565 is about 4886.1605581479. The cubic root of 23874565 is about 287.9465122183.

The spelling of 23874565 in words is "twenty-three million, eight hundred seventy-four thousand, five hundred sixty-five".