23442320443231 has 4 divisors (see below), whose sum is σ = 23442333767464. Its totient is φ = 23442307119000.

The previous prime is 23442320443211. The next prime is 23442320443253. The reversal of 23442320443231 is 13234402324432.

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 23442320443231 - 2¹⁵ = 23442320410463 is a prime.

It is a super-2 number, since 2×23442320443231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442320443211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533220 + ... + 7705081.

It is an arithmetic number, because the mean of its divisors is an integer number (5860583441866).

Almost surely, 2^{23442320443231} is an apocalyptic number.

23442320443231 is a deficient number, since it is larger than the sum of its proper divisors (13324233).

23442320443231 is a wasteful number, since it uses less digits than its factorization.

23442320443231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13324232.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 23442320443231 its reverse (13234402324432), we get a palindrome (36676722767663).

The spelling of 23442320443231 in words is "twenty-three trillion, four hundred forty-two billion, three hundred twenty million, four hundred forty-three thousand, two hundred thirty-one".