23593481 has 2 divisors, whose sum is σ = 23593482. Its totient is φ = 23593480.

The previous prime is 23593441. The next prime is 23593529. The reversal of 23593481 is 18439532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19009600 + 4583881 = 4360^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 23593481 - 2⁶ = 23593417 is a prime.

It is a super-2 number, since 2×23593481² = 1113304691394722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23593411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11796740 + 11796741.

It is an arithmetic number, because the mean of its divisors is an integer number (11796741).

Almost surely, 2^23593481 is an apocalyptic number.

It is an amenable number.

23593481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23593481 is an equidigital number, since it uses as much as digits as its factorization.

23593481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 23593481 is about 4857.3121167988. The cubic root of 23593481 is about 286.8120149583.

The spelling of 23593481 in words is "twenty-three million, five hundred ninety-three thousand, four hundred eighty-one".