120020423 has 2 divisors, whose sum is σ = 120020424. Its totient is φ = 120020422.

The previous prime is 120020399. The next prime is 120020431. The reversal of 120020423 is 324020021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120020423 - 2¹⁰ = 120019399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120020398 and 120020407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120022423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010211 + 60010212.

It is an arithmetic number, because the mean of its divisors is an integer number (60010212).

Almost surely, 2^120020423 is an apocalyptic number.

120020423 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020423 is an equidigital number, since it uses as much as digits as its factorization.

120020423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 120020423 is about 10955.3832885938. The cubic root of 120020423 is about 493.2703951950.

Adding to 120020423 its reverse (324020021), we get a palindrome (444040444).

The spelling of 120020423 in words is "one hundred twenty million, twenty thousand, four hundred twenty-three".