12420234004023 has 6 divisors (see below), whose sum is σ = 17940338005824. Its totient is φ = 8280156002676.

The previous prime is 12420234004021. The next prime is 12420234004039. The reversal of 12420234004023 is 32040043202421.

12420234004023 is a `hidden beast` number, since 1 + 2 + 4 + 20 + 234 + 0 + 0 + 402 + 3 = 666.

It is not a de Polignac number, because 12420234004023 - 2¹ = 12420234004021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420234004021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 690013000215 + ... + 690013000232.

It is an arithmetic number, because the mean of its divisors is an integer number (2990056334304).

Almost surely, 2^{12420234004023} is an apocalyptic number.

12420234004023 is a deficient number, since it is larger than the sum of its proper divisors (5520104001801).

12420234004023 is a wasteful number, since it uses less digits than its factorization.

12420234004023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380026000453 (or 1380026000450 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12420234004023 its reverse (32040043202421), we get a palindrome (44460277206444).

The spelling of 12420234004023 in words is "twelve trillion, four hundred twenty billion, two hundred thirty-four million, four thousand, twenty-three".