2146423 has 2 divisors, whose sum is σ = 2146424. Its totient is φ = 2146422.

The previous prime is 2146393. The next prime is 2146433. The reversal of 2146423 is 3246412.

It is a happy number.

2146423 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2146423 - 2¹³ = 2138231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2146394 and 2146403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2146433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073211 + 1073212.

It is an arithmetic number, because the mean of its divisors is an integer number (1073212).

2^2146423 is an apocalyptic number.

2146423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146423 is an equidigital number, since it uses as much as digits as its factorization.

2146423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 2146423 is about 1465.0675752333. The cubic root of 2146423 is about 128.9946715745.

The spelling of 2146423 in words is "two million, one hundred forty-six thousand, four hundred twenty-three".