23422220423 has 4 divisors (see below), whose sum is σ = 26768251920. Its totient is φ = 20076188928.

The previous prime is 23422220401. The next prime is 23422220461. The reversal of 23422220423 is 32402222432.

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 23422220423 - 2⁸ = 23422220167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23422220392 and 23422220401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23422220483) 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, 1673015738 + ... + 1673015751.

It is an arithmetic number, because the mean of its divisors is an integer number (6692062980).

Almost surely, 2^23422220423 is an apocalyptic number.

23422220423 is a deficient number, since it is larger than the sum of its proper divisors (3346031497).

23422220423 is an equidigital number, since it uses as much as digits as its factorization.

23422220423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346031496.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 23422220423 its reverse (32402222432), we get a palindrome (55824442855).

The spelling of 23422220423 in words is "twenty-three billion, four hundred twenty-two million, two hundred twenty thousand, four hundred twenty-three".