22443143523431 has 8 divisors (see below), whose sum is σ = 24166096716240. Its totient is φ = 20764942361728.

The previous prime is 22443143523421. The next prime is 22443143523457. The reversal of 22443143523431 is 13432534134422.

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 22443143523431 - 2¹⁰ = 22443143522407 is a prime.

It is a super-2 number, since 2×22443143523431² (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 (22443143523421) 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, 11188006736 + ... + 11188008741.

It is an arithmetic number, because the mean of its divisors is an integer number (3020762089530).

Almost surely, 2^{22443143523431} is an apocalyptic number.

22443143523431 is a deficient number, since it is larger than the sum of its proper divisors (1722953192809).

22443143523431 is a wasteful number, since it uses less digits than its factorization.

22443143523431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22376015553.

The product of its digits is 829440, while the sum is 41.

Adding to 22443143523431 its reverse (13432534134422), we get a palindrome (35875677657853).

The spelling of 22443143523431 in words is "twenty-two trillion, four hundred forty-three billion, one hundred forty-three million, five hundred twenty-three thousand, four hundred thirty-one".