12423404422 has 32 divisors (see below), whose sum is σ = 21929723424. Its totient is φ = 5203872000.

The previous prime is 12423404407. The next prime is 12423404507. The reversal of 12423404422 is 22440432421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135748 + ... + 208024.

It is an arithmetic number, because the mean of its divisors is an integer number (685303857).

Almost surely, 2^12423404422 is an apocalyptic number.

12423404422 is a deficient number, since it is larger than the sum of its proper divisors (9506319002).

12423404422 is a wasteful number, since it uses less digits than its factorization.

12423404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72904.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12423404422 its reverse (22440432421), we get a palindrome (34863836843).

The spelling of 12423404422 in words is "twelve billion, four hundred twenty-three million, four hundred four thousand, four hundred twenty-two".