2120423 has 2 divisors, whose sum is σ = 2120424. Its totient is φ = 2120422.

The previous prime is 2120411. The next prime is 2120429. The reversal of 2120423 is 3240212.

2120423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120423 - 2¹⁰ = 2119399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120398 and 2120407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060211 + 1060212.

It is an arithmetic number, because the mean of its divisors is an integer number (1060212).

2^2120423 is an apocalyptic number.

2120423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120423 is an equidigital number, since it uses as much as digits as its factorization.

2120423 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 2120423 is about 1456.1672294074. The cubic root of 2120423 is about 128.4717092155.

Adding to 2120423 its reverse (3240212), we get a palindrome (5360635).

The spelling of 2120423 in words is "two million, one hundred twenty thousand, four hundred twenty-three".