23488391 has 8 divisors (see below), whose sum is σ = 24349440. Its totient is φ = 22642488.

The previous prime is 23488379. The next prime is 23488393. The reversal of 23488391 is 19388432.

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-23488391 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 (23488393) 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, 581 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (3043680).

Almost surely, 2^23488391 is an apocalyptic number.

23488391 is a deficient number, since it is larger than the sum of its proper divisors (861049).

23488391 is an equidigital number, since it uses as much as digits as its factorization.

23488391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573.

The product of its digits is 41472, while the sum is 38.

The square root of 23488391 is about 4846.4823325790. The cubic root of 23488391 is about 286.3855421098.

The spelling of 23488391 in words is "twenty-three million, four hundred eighty-eight thousand, three hundred ninety-one".