23440432013311 has 16 divisors (see below), whose sum is σ = 25041454149600. Its totient is φ = 21877942952448.

The previous prime is 23440432013279. The next prime is 23440432013351. The reversal of 23440432013311 is 11331023404432.

It is a cyclic number.

It is not a de Polignac number, because 23440432013311 - 2⁵ = 23440432013279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440432013351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24553030 + ... + 25489843.

It is an arithmetic number, because the mean of its divisors is an integer number (1565090884350).

Almost surely, 2^{23440432013311} is an apocalyptic number.

23440432013311 is a deficient number, since it is larger than the sum of its proper divisors (1601022136289).

23440432013311 is a wasteful number, since it uses less digits than its factorization.

23440432013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50043258.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 23440432013311 its reverse (11331023404432), we get a palindrome (34771455417743).

The spelling of 23440432013311 in words is "twenty-three trillion, four hundred forty billion, four hundred thirty-two million, thirteen thousand, three hundred eleven".