23945359 has 4 divisors (see below), whose sum is σ = 24128280. Its totient is φ = 23762440.

The previous prime is 23945357. The next prime is 23945371. The reversal of 23945359 is 95354932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23945359 - 2¹ = 23945357 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a house number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23945357) 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 3 ways as a sum of consecutive naturals, for example, 91264 + ... + 91525.

It is an arithmetic number, because the mean of its divisors is an integer number (6032070).

Almost surely, 2^23945359 is an apocalyptic number.

23945359 is a deficient number, since it is larger than the sum of its proper divisors (182921).

23945359 is a wasteful number, since it uses less digits than its factorization.

23945359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182920.

The product of its digits is 145800, while the sum is 40.

The square root of 23945359 is about 4893.3995340663. The cubic root of 23945359 is about 288.2308422821.

The spelling of 23945359 in words is "twenty-three million, nine hundred forty-five thousand, three hundred fifty-nine".