120420423410423 has 16 divisors (see below), whose sum is σ = 124569299189760. Its totient is φ = 116288088177600.

The previous prime is 120420423410389. The next prime is 120420423410453. The reversal of 120420423410423 is 324014324024021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120420423410423 - 2⁶ = 120420423410359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120420423410423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120420423410453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420038858 + ... + 420325448.

It is an arithmetic number, because the mean of its divisors is an integer number (7785581199360).

Almost surely, 2^{120420423410423} is an apocalyptic number.

120420423410423 is a deficient number, since it is larger than the sum of its proper divisors (4148875779337).

120420423410423 is a wasteful number, since it uses less digits than its factorization.

120420423410423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315398.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 120420423410423 its reverse (324014324024021), we get a palindrome (444434747434444).

The spelling of 120420423410423 in words is "one hundred twenty trillion, four hundred twenty billion, four hundred twenty-three million, four hundred ten thousand, four hundred twenty-three".