23539873 has 8 divisors (see below), whose sum is σ = 27004160. Its totient is φ = 20100960.

The previous prime is 23539871. The next prime is 23539889. The reversal of 23539873 is 37893532.

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 23539873 - 2¹ = 23539871 is a prime.

It is a super-2 number, since 2×23539873² = 1108251241712258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23539871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308 + ... + 8101.

It is an arithmetic number, because the mean of its divisors is an integer number (3375520).

Almost surely, 2^23539873 is an apocalyptic number.

It is an amenable number.

23539873 is a deficient number, since it is larger than the sum of its proper divisors (3464287).

23539873 is a wasteful number, since it uses less digits than its factorization.

23539873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687.

The product of its digits is 136080, while the sum is 40.

The square root of 23539873 is about 4851.7907003497. The cubic root of 23539873 is about 286.5946232938.

The spelling of 23539873 in words is "twenty-three million, five hundred thirty-nine thousand, eight hundred seventy-three".