424204523 has 2 divisors, whose sum is σ = 424204524. Its totient is φ = 424204522.

The previous prime is 424204499. The next prime is 424204531. The reversal of 424204523 is 325402424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424204523 - 2⁸ = 424204267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424204492 and 424204501.

It is not a weakly prime, because it can be changed into another prime (414204523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212102261 + 212102262.

It is an arithmetic number, because the mean of its divisors is an integer number (212102262).

Almost surely, 2^424204523 is an apocalyptic number.

424204523 is a deficient number, since it is larger than the sum of its proper divisors (1).

424204523 is an equidigital number, since it uses as much as digits as its factorization.

424204523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 424204523 is about 20596.2259406912. The cubic root of 424204523 is about 751.3779249541.

Adding to 424204523 its reverse (325402424), we get a palindrome (749606947).

The spelling of 424204523 in words is "four hundred twenty-four million, two hundred four thousand, five hundred twenty-three".