451323430 has 8 divisors (see below), whose sum is σ = 812382192. Its totient is φ = 180529368.

The previous prime is 451323421. The next prime is 451323437. The reversal of 451323430 is 34323154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 451323395 and 451323404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451323437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22566162 + ... + 22566181.

It is an arithmetic number, because the mean of its divisors is an integer number (101547774).

Almost surely, 2^451323430 is an apocalyptic number.

451323430 is a deficient number, since it is larger than the sum of its proper divisors (361058762).

451323430 is a wasteful number, since it uses less digits than its factorization.

451323430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45132350.

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

The square root of 451323430 is about 21244.3740788003. The cubic root of 451323430 is about 767.0599244799.

Adding to 451323430 its reverse (34323154), we get a palindrome (485646584).

The spelling of 451323430 in words is "four hundred fifty-one million, three hundred twenty-three thousand, four hundred thirty".