451340323 has 8 divisors (see below), whose sum is σ = 526344800. Its totient is φ = 386862840.

The previous prime is 451340297. The next prime is 451340381. The reversal of 451340323 is 323043154.

It is a de Polignac number, because none of the positive numbers 2^k-451340323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451340623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657588 + ... + 658273.

It is an arithmetic number, because the mean of its divisors is an integer number (65793100).

Almost surely, 2^451340323 is an apocalyptic number.

451340323 is a deficient number, since it is larger than the sum of its proper divisors (75004477).

451340323 is an equidigital number, since it uses as much as digits as its factorization.

451340323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315882 (or 1315868 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 451340323 is about 21244.7716626939. The cubic root of 451340323 is about 767.0694946911.

Adding to 451340323 its reverse (323043154), we get a palindrome (774383477).

The spelling of 451340323 in words is "four hundred fifty-one million, three hundred forty thousand, three hundred twenty-three".