23022140636443 has 8 divisors (see below), whose sum is σ = 24797812436768. Its totient is φ = 21247145679744.

The previous prime is 23022140636431. The next prime is 23022140636449. The reversal of 23022140636443 is 34463604122032.

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 23022140636443 - 2⁹ = 23022140635931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23022140636396 and 23022140636405.

It is not an unprimeable number, because it can be changed into a prime (23022140636449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169140255 + ... + 169276312.

It is an arithmetic number, because the mean of its divisors is an integer number (3099726554596).

Almost surely, 2^{23022140636443} is an apocalyptic number.

23022140636443 is a deficient number, since it is larger than the sum of its proper divisors (1775671800325).

23022140636443 is a wasteful number, since it uses less digits than its factorization.

23022140636443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338421813.

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 23022140636443 its reverse (34463604122032), we get a palindrome (57485744758475).

The spelling of 23022140636443 in words is "twenty-three trillion, twenty-two billion, one hundred forty million, six hundred thirty-six thousand, four hundred forty-three".