23241553 has 2 divisors, whose sum is σ = 23241554. Its totient is φ = 23241552.

The previous prime is 23241551. The next prime is 23241643. The reversal of 23241553 is 35514232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 2007889 = 4608^2 + 1417^2 .

It is a cyclic number.

It is not a de Polignac number, because 23241553 - 2¹ = 23241551 is a prime.

Together with 23241551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23241551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620776 + 11620777.

It is an arithmetic number, because the mean of its divisors is an integer number (11620777).

Almost surely, 2^23241553 is an apocalyptic number.

It is an amenable number.

23241553 is a deficient number, since it is larger than the sum of its proper divisors (1).

23241553 is an equidigital number, since it uses as much as digits as its factorization.

23241553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 23241553 is about 4820.9493878281. The cubic root of 23241553 is about 285.3788047976.

Adding to 23241553 its reverse (35514232), we get a palindrome (58755785).

The spelling of 23241553 in words is "twenty-three million, two hundred forty-one thousand, five hundred fifty-three".