23988859 has 2 divisors, whose sum is σ = 23988860. Its totient is φ = 23988858.

The previous prime is 23988827. The next prime is 23988863. The reversal of 23988859 is 95888932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23988859 - 2⁵ = 23988827 is a prime.

It is a super-2 number, since 2×23988859² = 1150930712243762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23988359) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11994429 + 11994430.

It is an arithmetic number, because the mean of its divisors is an integer number (11994430).

Almost surely, 2^23988859 is an apocalyptic number.

23988859 is a deficient number, since it is larger than the sum of its proper divisors (1).

23988859 is an equidigital number, since it uses as much as digits as its factorization.

23988859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 52.

The square root of 23988859 is about 4897.8422800249. The cubic root of 23988859 is about 288.4052735353.

It can be divided in two parts, 239 and 88859, that added together give a palindrome (89098).

The spelling of 23988859 in words is "twenty-three million, nine hundred eighty-eight thousand, eight hundred fifty-nine".