4642423 has 2 divisors, whose sum is σ = 4642424. Its totient is φ = 4642422.

The previous prime is 4642399. The next prime is 4642457. The reversal of 4642423 is 3242464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4642423 - 2²¹ = 2545271 is a prime.

It is a d-powerful number, because it can be written as 4 + 6⁷ + 4⁶ + 2¹⁵ + 4¹¹ + 2¹⁷ + 3⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4642483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321211 + 2321212.

It is an arithmetic number, because the mean of its divisors is an integer number (2321212).

Almost surely, 2^4642423 is an apocalyptic number.

4642423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642423 is an equidigital number, since it uses as much as digits as its factorization.

4642423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 4642423 is about 2154.6282742042. The cubic root of 4642423 is about 166.8200459166.

Adding to 4642423 its reverse (3242464), we get a palindrome (7884887).

The spelling of 4642423 in words is "four million, six hundred forty-two thousand, four hundred twenty-three".