440354323 has 4 divisors (see below), whose sum is σ = 446386648. Its totient is φ = 434322000.

The previous prime is 440354311. The next prime is 440354329. The reversal of 440354323 is 323453044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440354323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440354291 and 440354300.

It is not an unprimeable number, because it can be changed into a prime (440354329) 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, 3016053 + ... + 3016198.

It is an arithmetic number, because the mean of its divisors is an integer number (111596662).

Almost surely, 2^440354323 is an apocalyptic number.

440354323 is a deficient number, since it is larger than the sum of its proper divisors (6032325).

440354323 is an equidigital number, since it uses as much as digits as its factorization.

440354323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032324.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 440354323 is about 20984.6211068964. The cubic root of 440354323 is about 760.7946000294.

The spelling of 440354323 in words is "four hundred forty million, three hundred fifty-four thousand, three hundred twenty-three".