454040423 has 2 divisors, whose sum is σ = 454040424. Its totient is φ = 454040422.

The previous prime is 454040417. The next prime is 454040449. The reversal of 454040423 is 324040454.

It is an a-pointer prime, because the next prime (454040449) can be obtained adding 454040423 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454040423 - 2¹² = 454036327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454040392 and 454040401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454540423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227020211 + 227020212.

It is an arithmetic number, because the mean of its divisors is an integer number (227020212).

Almost surely, 2^454040423 is an apocalyptic number.

454040423 is a deficient number, since it is larger than the sum of its proper divisors (1).

454040423 is an equidigital number, since it uses as much as digits as its factorization.

454040423 is an evil number, because the sum of its binary digits is even.

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

The square root of 454040423 is about 21308.2243042446. The cubic root of 454040423 is about 768.5960942652.

Adding to 454040423 its reverse (324040454), we get a palindrome (778080877).

The spelling of 454040423 in words is "four hundred fifty-four million, forty thousand, four hundred twenty-three".