423024643 has 2 divisors, whose sum is σ = 423024644. Its totient is φ = 423024642.

The previous prime is 423024629. The next prime is 423024647. The reversal of 423024643 is 346420324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423024643 - 2⁵ = 423024611 is a prime.

It is not a weakly prime, because it can be changed into another prime (423024647) 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, 211512321 + 211512322.

It is an arithmetic number, because the mean of its divisors is an integer number (211512322).

Almost surely, 2^423024643 is an apocalyptic number.

423024643 is a deficient number, since it is larger than the sum of its proper divisors (1).

423024643 is an equidigital number, since it uses as much as digits as its factorization.

423024643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 423024643 is about 20567.5628843089. The cubic root of 423024643 is about 750.6806520228.

Adding to 423024643 its reverse (346420324), we get a palindrome (769444967).

The spelling of 423024643 in words is "four hundred twenty-three million, twenty-four thousand, six hundred forty-three".