23531879 has 8 divisors (see below), whose sum is σ = 27519360. Its totient is φ = 19700856.

The previous prime is 23531863. The next prime is 23531881. The reversal of 23531879 is 97813532.

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

It is not a de Polignac number, because 23531879 - 2⁴ = 23531863 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 (23531479) 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 7 ways as a sum of consecutive naturals, for example, 38789 + ... + 39390.

It is an arithmetic number, because the mean of its divisors is an integer number (3439920).

Almost surely, 2^23531879 is an apocalyptic number.

23531879 is a deficient number, since it is larger than the sum of its proper divisors (3987481).

23531879 is an equidigital number, since it uses as much as digits as its factorization.

23531879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78229.

The product of its digits is 45360, while the sum is 38.

The square root of 23531879 is about 4850.9668108533. The cubic root of 23531879 is about 286.5621776810.

The spelling of 23531879 in words is "twenty-three million, five hundred thirty-one thousand, eight hundred seventy-nine".