23559413 has 2 divisors, whose sum is σ = 23559414. Its totient is φ = 23559412.

The previous prime is 23559409. The next prime is 23559421. The reversal of 23559413 is 31495532.

23559413 is nontrivially palindromic in base 14.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17123044 + 6436369 = 4138^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 23559413 - 2² = 23559409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23559413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23559463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11779706 + 11779707.

It is an arithmetic number, because the mean of its divisors is an integer number (11779707).

Almost surely, 2^23559413 is an apocalyptic number.

It is an amenable number.

23559413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23559413 is an equidigital number, since it uses as much as digits as its factorization.

23559413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 23559413 is about 4853.8039721439. The cubic root of 23559413 is about 286.6739002742.

The spelling of 23559413 in words is "twenty-three million, five hundred fifty-nine thousand, four hundred thirteen".