23242571 has 4 divisors (see below), whose sum is σ = 25355544. Its totient is φ = 21129600.

The previous prime is 23242547. The next prime is 23242589. The reversal of 23242571 is 17524232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23242571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23242571.

It is not an unprimeable number, because it can be changed into a prime (23262571) 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 3 ways as a sum of consecutive naturals, for example, 1056470 + ... + 1056491.

It is an arithmetic number, because the mean of its divisors is an integer number (6338886).

Almost surely, 2^23242571 is an apocalyptic number.

23242571 is a deficient number, since it is larger than the sum of its proper divisors (2112973).

23242571 is a wasteful number, since it uses less digits than its factorization.

23242571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112972.

The product of its digits is 3360, while the sum is 26.

The square root of 23242571 is about 4821.0549675356. The cubic root of 23242571 is about 285.3829713491.

The spelling of 23242571 in words is "twenty-three million, two hundred forty-two thousand, five hundred seventy-one".