23842965 has 16 divisors (see below), whose sum is σ = 38209536. Its totient is φ = 12696000.

The previous prime is 23842943. The next prime is 23842991. The reversal of 23842965 is 56924832.

It is a happy number.

23842965 is a nontrivial binomial coefficient, being equal to C(6906, 2).

It is not a de Polignac number, because 23842965 - 2⁵ = 23842933 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16575 + ... + 17955.

It is an arithmetic number, because the mean of its divisors is an integer number (2388096).

Almost surely, 2^23842965 is an apocalyptic number.

23842965 is the 6905-th triangular number and also the 3453-rd hexagonal number.

It is an amenable number.

23842965 is a deficient number, since it is larger than the sum of its proper divisors (14366571).

23842965 is a wasteful number, since it uses less digits than its factorization.

23842965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its digits is 103680, while the sum is 39.

The square root of 23842965 is about 4882.9258646840. The cubic root of 23842965 is about 287.8194156308.

The spelling of 23842965 in words is "twenty-three million, eight hundred forty-two thousand, nine hundred sixty-five".