23440431434411 has 8 divisors (see below), whose sum is σ = 24233386790304. Its totient is φ = 22655867140800.

The previous prime is 23440431434333. The next prime is 23440431434429. The reversal of 23440431434411 is 11443413404432.

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 a de Polignac number, because none of the positive numbers 2^k-23440431434411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23440431434471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2097759890 + ... + 2097771063.

It is an arithmetic number, because the mean of its divisors is an integer number (3029173348788).

Almost surely, 2^{23440431434411} is an apocalyptic number.

23440431434411 is a deficient number, since it is larger than the sum of its proper divisors (792955355893).

23440431434411 is a wasteful number, since it uses less digits than its factorization.

23440431434411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195531141.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 23440431434411 its reverse (11443413404432), we get a palindrome (34883844838843).

The spelling of 23440431434411 in words is "twenty-three trillion, four hundred forty billion, four hundred thirty-one million, four hundred thirty-four thousand, four hundred eleven".