22201343423 has 32 divisors (see below), whose sum is σ = 27071041536. Its totient is φ = 17794263168.

The previous prime is 22201343401. The next prime is 22201343429. The reversal of 22201343423 is 32434310222.

It is not a de Polignac number, because 22201343423 - 2⁸ = 22201343167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201343392 and 22201343401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201343429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12810065 + ... + 12811797.

It is an arithmetic number, because the mean of its divisors is an integer number (845970048).

Almost surely, 2^22201343423 is an apocalyptic number.

22201343423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22201343423 is a deficient number, since it is larger than the sum of its proper divisors (4869698113).

22201343423 is a wasteful number, since it uses less digits than its factorization.

22201343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22201343423 its reverse (32434310222), we get a palindrome (54635653645).

The spelling of 22201343423 in words is "twenty-two billion, two hundred one million, three hundred forty-three thousand, four hundred twenty-three".