23087983 has 4 divisors (see below), whose sum is σ = 24303160. Its totient is φ = 21872808.

The previous prime is 23087969. The next prime is 23088017. The reversal of 23087983 is 38978032.

It is a happy number.

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 23087983 - 2¹⁷ = 22956911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23087923) 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, 607560 + ... + 607597.

It is an arithmetic number, because the mean of its divisors is an integer number (6075790).

Almost surely, 2^23087983 is an apocalyptic number.

23087983 is a deficient number, since it is larger than the sum of its proper divisors (1215177).

23087983 is a wasteful number, since it uses less digits than its factorization.

23087983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215176.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 23087983 is about 4804.9956295506. The cubic root of 23087983 is about 284.7488625874.

The spelling of 23087983 in words is "twenty-three million, eighty-seven thousand, nine hundred eighty-three".