23628859 has 8 divisors (see below), whose sum is σ = 24103872. Its totient is φ = 23158080.

The previous prime is 23628853. The next prime is 23628883. The reversal of 23628859 is 95882632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23628859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23628853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11694 + ... + 13564.

It is an arithmetic number, because the mean of its divisors is an integer number (3012984).

Almost surely, 2^23628859 is an apocalyptic number.

23628859 is a deficient number, since it is larger than the sum of its proper divisors (475013).

23628859 is a wasteful number, since it uses less digits than its factorization.

23628859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117.

The product of its digits is 207360, while the sum is 43.

The square root of 23628859 is about 4860.9524786815. The cubic root of 23628859 is about 286.9552998487.

The spelling of 23628859 in words is "twenty-three million, six hundred twenty-eight thousand, eight hundred fifty-nine".