23242553 has 8 divisors (see below), whose sum is σ = 24688872. Its totient is φ = 21805056.

The previous prime is 23242547. The next prime is 23242589. The reversal of 23242553 is 35524232.

It can be written as a sum of positive squares in 4 ways, for example, as 3988009 + 19254544 = 1997^2 + 4388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23242553 - 2¹⁰ = 23241529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23242523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3701 + ... + 7757.

It is an arithmetic number, because the mean of its divisors is an integer number (3086109).

Almost surely, 2^23242553 is an apocalyptic number.

It is an amenable number.

23242553 is a deficient number, since it is larger than the sum of its proper divisors (1446319).

23242553 is a wasteful number, since it uses less digits than its factorization.

23242553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411.

The product of its digits is 7200, while the sum is 26.

The square root of 23242553 is about 4821.0531007239. The cubic root of 23242553 is about 285.3828976784.

Adding to 23242553 its reverse (35524232), we get a palindrome (58766785).

The spelling of 23242553 in words is "twenty-three million, two hundred forty-two thousand, five hundred fifty-three".