23587481 has 2 divisors, whose sum is σ = 23587482. Its totient is φ = 23587480.

The previous prime is 23587477. The next prime is 23587513. The reversal of 23587481 is 18478532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21855625 + 1731856 = 4675^2 + 1316^2 .

It is a cyclic number.

It is not a de Polignac number, because 23587481 - 2² = 23587477 is a prime.

It is a super-2 number, since 2×23587481² = 1112738519850722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23587441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11793740 + 11793741.

It is an arithmetic number, because the mean of its divisors is an integer number (11793741).

Almost surely, 2^23587481 is an apocalyptic number.

It is an amenable number.

23587481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23587481 is an equidigital number, since it uses as much as digits as its factorization.

23587481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 23587481 is about 4856.6944519910. The cubic root of 23587481 is about 286.7877000782.

The spelling of 23587481 in words is "twenty-three million, five hundred eighty-seven thousand, four hundred eighty-one".