406451323 has 4 divisors (see below), whose sum is σ = 419562688. Its totient is φ = 393339960.

The previous prime is 406451293. The next prime is 406451359. The reversal of 406451323 is 323154604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406451323 - 2⁵ = 406451291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406451291 and 406451300.

It is not an unprimeable number, because it can be changed into a prime (406451393) 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, 6555636 + ... + 6555697.

It is an arithmetic number, because the mean of its divisors is an integer number (104890672).

Almost surely, 2^406451323 is an apocalyptic number.

406451323 is a deficient number, since it is larger than the sum of its proper divisors (13111365).

406451323 is a wasteful number, since it uses less digits than its factorization.

406451323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111364.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 406451323 is about 20160.6379611361. The cubic root of 406451323 is about 740.7463391740.

The spelling of 406451323 in words is "four hundred six million, four hundred fifty-one thousand, three hundred twenty-three".