12423330422 has 4 divisors (see below), whose sum is σ = 18634995636. Its totient is φ = 6211665210.

The previous prime is 12423330389. The next prime is 12423330497. The reversal of 12423330422 is 22403332421.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12423330391 and 12423330400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3105832604 + ... + 3105832607.

It is an arithmetic number, because the mean of its divisors is an integer number (4658748909).

Almost surely, 2^12423330422 is an apocalyptic number.

12423330422 is a deficient number, since it is larger than the sum of its proper divisors (6211665214).

12423330422 is an equidigital number, since it uses as much as digits as its factorization.

12423330422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211665213.

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

Adding to 12423330422 its reverse (22403332421), we get a palindrome (34826662843).

The spelling of 12423330422 in words is "twelve billion, four hundred twenty-three million, three hundred thirty thousand, four hundred twenty-two".