23281679 has 4 divisors (see below), whose sum is σ = 23295384. Its totient is φ = 23267976.

The previous prime is 23281673. The next prime is 23281711. The reversal of 23281679 is 97618232.

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 23281679 - 2⁴ = 23281663 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 (23281673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (5823846).

Almost surely, 2^23281679 is an apocalyptic number.

23281679 is a deficient number, since it is larger than the sum of its proper divisors (13705).

23281679 is a wasteful number, since it uses less digits than its factorization.

23281679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704.

The product of its digits is 36288, while the sum is 38.

The square root of 23281679 is about 4825.1092215617. The cubic root of 23281679 is about 285.5429436600.

The spelling of 23281679 in words is "twenty-three million, two hundred eighty-one thousand, six hundred seventy-nine".