454424423 has 2 divisors, whose sum is σ = 454424424. Its totient is φ = 454424422.

The previous prime is 454424393. The next prime is 454424429. The reversal of 454424423 is 324424454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454424423 - 2⁶ = 454424359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454424423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454424429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227212211 + 227212212.

It is an arithmetic number, because the mean of its divisors is an integer number (227212212).

Almost surely, 2^454424423 is an apocalyptic number.

454424423 is a deficient number, since it is larger than the sum of its proper divisors (1).

454424423 is an equidigital number, since it uses as much as digits as its factorization.

454424423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 32.

The square root of 454424423 is about 21317.2330052472. The cubic root of 454424423 is about 768.8127106134.

Adding to 454424423 its reverse (324424454), we get a palindrome (778848877).

The spelling of 454424423 in words is "four hundred fifty-four million, four hundred twenty-four thousand, four hundred twenty-three".