20422343223 has 12 divisors (see below), whose sum is σ = 29769574120. Its totient is φ = 13489987536.

The previous prime is 20422343203. The next prime is 20422343261. The reversal of 20422343223 is 32234322402.

It is a happy number.

20422343223 is a `hidden beast` number, since 2 + 0 + 4 + 223 + 432 + 2 + 3 = 666.

It is not a de Polignac number, because 20422343223 - 2⁹ = 20422342711 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 (20422343203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10407961 + ... + 10409922.

Almost surely, 2^20422343223 is an apocalyptic number.

20422343223 is a deficient number, since it is larger than the sum of its proper divisors (9347230897).

20422343223 is a wasteful number, since it uses less digits than its factorization.

20422343223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20817998 (or 20817995 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20422343223 its reverse (32234322402), we get a palindrome (52656665625).

The spelling of 20422343223 in words is "twenty billion, four hundred twenty-two million, three hundred forty-three thousand, two hundred twenty-three".