451034423 has 4 divisors (see below), whose sum is σ = 515467920. Its totient is φ = 386600928.

The previous prime is 451034411. The next prime is 451034449. The reversal of 451034423 is 324430154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324430154 = 2 ⋅162215077.

It is not a de Polignac number, because 451034423 - 2⁶ = 451034359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451034392 and 451034401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451034323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32216738 + ... + 32216751.

It is an arithmetic number, because the mean of its divisors is an integer number (128866980).

Almost surely, 2^451034423 is an apocalyptic number.

451034423 is a deficient number, since it is larger than the sum of its proper divisors (64433497).

451034423 is an equidigital number, since it uses as much as digits as its factorization.

451034423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64433496.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 451034423 is about 21237.5710240131. The cubic root of 451034423 is about 766.8961594215.

Adding to 451034423 its reverse (324430154), we get a palindrome (775464577).

The spelling of 451034423 in words is "four hundred fifty-one million, thirty-four thousand, four hundred twenty-three".