23489879 has 8 divisors (see below), whose sum is σ = 26889120. Its totient is φ = 20101536.

The previous prime is 23489863. The next prime is 23489891. The reversal of 23489879 is 97898432.

It is a happy number.

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

It is not a de Polignac number, because 23489879 - 2⁴ = 23489863 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 (23489839) 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, 2597 + ... + 7329.

It is an arithmetic number, because the mean of its divisors is an integer number (3361140).

Almost surely, 2^23489879 is an apocalyptic number.

23489879 is a deficient number, since it is larger than the sum of its proper divisors (3399241).

23489879 is an equidigital number, since it uses as much as digits as its factorization.

23489879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449.

The product of its digits is 870912, while the sum is 50.

The square root of 23489879 is about 4846.6358435517. The cubic root of 23489879 is about 286.3915895325.

The spelling of 23489879 in words is "twenty-three million, four hundred eighty-nine thousand, eight hundred seventy-nine".