23228659 has 4 divisors (see below), whose sum is σ = 24451240. Its totient is φ = 22006080.

The previous prime is 23228657. The next prime is 23228671. The reversal of 23228659 is 95682232.

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 23228659 - 2¹ = 23228657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23228657) 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, 611262 + ... + 611299.

It is an arithmetic number, because the mean of its divisors is an integer number (6112810).

Almost surely, 2^23228659 is an apocalyptic number.

23228659 is a deficient number, since it is larger than the sum of its proper divisors (1222581).

23228659 is a wasteful number, since it uses less digits than its factorization.

23228659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222580.

The product of its digits is 51840, while the sum is 37.

The square root of 23228659 is about 4819.6119138370. The cubic root of 23228659 is about 285.3260206744.

The spelling of 23228659 in words is "twenty-three million, two hundred twenty-eight thousand, six hundred fifty-nine".