451930323 has 16 divisors (see below), whose sum is σ = 657144320. Its totient is φ = 274588704.

The previous prime is 451930313. The next prime is 451930373. The reversal of 451930323 is 323039154.

It is not a de Polignac number, because 451930323 - 2⁵ = 451930291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451930313) 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 in 15 ways as a sum of consecutive naturals, for example, 70261 + ... + 76422.

It is an arithmetic number, because the mean of its divisors is an integer number (41071520).

Almost surely, 2^451930323 is an apocalyptic number.

451930323 is a deficient number, since it is larger than the sum of its proper divisors (205213997).

451930323 is a wasteful number, since it uses less digits than its factorization.

451930323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146778.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 451930323 is about 21258.6528971146. The cubic root of 451930323 is about 767.4035913944.

Adding to 451930323 its reverse (323039154), we get a palindrome (774969477).

The spelling of 451930323 in words is "four hundred fifty-one million, nine hundred thirty thousand, three hundred twenty-three".