2420423 has 2 divisors, whose sum is σ = 2420424. Its totient is φ = 2420422.

The previous prime is 2420417. The next prime is 2420459. The reversal of 2420423 is 3240242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420423 - 2⁸ = 2420167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210211 + 1210212.

It is an arithmetic number, because the mean of its divisors is an integer number (1210212).

2^2420423 is an apocalyptic number.

2420423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420423 is an equidigital number, since it uses as much as digits as its factorization.

2420423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2420423 is about 1555.7708700191. The cubic root of 2420423 is about 134.2652908753.

Adding to 2420423 its reverse (3240242), we get a palindrome (5660665).

The spelling of 2420423 in words is "two million, four hundred twenty thousand, four hundred twenty-three".