23241539 has 4 divisors (see below), whose sum is σ = 23371560. Its totient is φ = 23111520.

The previous prime is 23241529. The next prime is 23241551. The reversal of 23241539 is 93514232.

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

It is a cyclic number.

It is not a de Polignac number, because 23241539 - 2²⁴ = 6464323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23241509) 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 in 3 ways as a sum of consecutive naturals, for example, 64742 + ... + 65099.

It is an arithmetic number, because the mean of its divisors is an integer number (5842890).

Almost surely, 2^23241539 is an apocalyptic number.

23241539 is a deficient number, since it is larger than the sum of its proper divisors (130021).

23241539 is a wasteful number, since it uses less digits than its factorization.

23241539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130020.

The product of its digits is 6480, while the sum is 29.

The square root of 23241539 is about 4820.9479358317. The cubic root of 23241539 is about 285.3787474965.

The spelling of 23241539 in words is "twenty-three million, two hundred forty-one thousand, five hundred thirty-nine".