23488321 has 4 divisors (see below), whose sum is σ = 23527252. Its totient is φ = 23449392.

The previous prime is 23488279. The next prime is 23488331. The reversal of 23488321 is 12388432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5340721 + 18147600 = 2311^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 23488321 - 2⁷ = 23488193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23488331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18546 + ... + 19771.

It is an arithmetic number, because the mean of its divisors is an integer number (5881813).

Almost surely, 2^23488321 is an apocalyptic number.

It is an amenable number.

23488321 is a deficient number, since it is larger than the sum of its proper divisors (38931).

23488321 is an equidigital number, since it uses as much as digits as its factorization.

23488321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38930.

The product of its digits is 9216, while the sum is 31.

The square root of 23488321 is about 4846.4751108409. The cubic root of 23488321 is about 286.3852576145.

The spelling of 23488321 in words is "twenty-three million, four hundred eighty-eight thousand, three hundred twenty-one".