23841238640509 has 8 divisors (see below), whose sum is σ = 25246316370240. Its totient is φ = 22451188480416.

The previous prime is 23841238640507. The next prime is 23841238640519. The reversal of 23841238640509 is 90504683214832.

It is a happy number.

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 23841238640509 - 2¹ = 23841238640507 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 23841238640509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23841238640507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756889144 + ... + 3756895489.

It is an arithmetic number, because the mean of its divisors is an integer number (3155789546280).

Almost surely, 2^{23841238640509} is an apocalyptic number.

It is an amenable number.

23841238640509 is a deficient number, since it is larger than the sum of its proper divisors (1405077729731).

23841238640509 is a wasteful number, since it uses less digits than its factorization.

23841238640509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513784819.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 23841238640509 in words is "twenty-three trillion, eight hundred forty-one billion, two hundred thirty-eight million, six hundred forty thousand, five hundred nine".