9420423434012 has 24 divisors (see below), whose sum is σ = 16745478374016. Its totient is φ = 4636116012528.

The previous prime is 9420423434011. The next prime is 9420423434027. The reversal of 9420423434012 is 2104343240249.

It is a happy number.

9420423434012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9420423434012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420423434011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14042978 + ... + 14698505.

It is an arithmetic number, because the mean of its divisors is an integer number (697728265584).

Almost surely, 2^{9420423434012} is an apocalyptic number.

It is an amenable number.

9420423434012 is a deficient number, since it is larger than the sum of its proper divisors (7325054940004).

9420423434012 is a wasteful number, since it uses less digits than its factorization.

9420423434012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28742777 (or 28742775 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 9420423434012 in words is "nine trillion, four hundred twenty billion, four hundred twenty-three million, four hundred thirty-four thousand, twelve".