12023240422 has 32 divisors (see below), whose sum is σ = 18893255040. Its totient is φ = 5733866880.

The previous prime is 12023240419. The next prime is 12023240491. The reversal of 12023240422 is 22404232021.

It is a junction number, because it is equal to n+sod(n) for n = 12023240393 and 12023240402.

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, 615388 + ... + 634624.

It is an arithmetic number, because the mean of its divisors is an integer number (590414220).

Almost surely, 2^12023240422 is an apocalyptic number.

12023240422 is a deficient number, since it is larger than the sum of its proper divisors (6870014618).

12023240422 is a wasteful number, since it uses less digits than its factorization.

12023240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12023240422 its reverse (22404232021), we get a palindrome (34427472443).

The spelling of 12023240422 in words is "twelve billion, twenty-three million, two hundred forty thousand, four hundred twenty-two".