454321423 has 2 divisors, whose sum is σ = 454321424. Its totient is φ = 454321422.

The previous prime is 454321349. The next prime is 454321457. The reversal of 454321423 is 324123454.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454321423 - 2¹⁷ = 454190351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454321391 and 454321400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454321723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227160711 + 227160712.

It is an arithmetic number, because the mean of its divisors is an integer number (227160712).

Almost surely, 2^454321423 is an apocalyptic number.

454321423 is a deficient number, since it is larger than the sum of its proper divisors (1).

454321423 is an equidigital number, since it uses as much as digits as its factorization.

454321423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 28.

The square root of 454321423 is about 21314.8169825593. The cubic root of 454321423 is about 768.7546197709.

Adding to 454321423 its reverse (324123454), we get a palindrome (778444877).

The spelling of 454321423 in words is "four hundred fifty-four million, three hundred twenty-one thousand, four hundred twenty-three".